She's comparing the unemployment rates to each other - ie Canada's unemployment rate 7.6%, the US's is 9.1%, 7.6 is (about) 20% less than 9.1.
But you don't compare percentages to each other with another percentage like that. It's a stupid and wrong way to represent the numbers, for exactly the reason geyser points out. The unemployment rate is 1.5% lower, not 20% lower.
But you don't compare percentages to each other with another percentage like that. It's a stupid and wrong way to represent the numbers, for exactly the reason geyser points out. The unemployment rate is 1.5% lower, not 20% lower.