You’re doing the math wrong. For example, (63.2-61.7)/63.2*100, is the correct formula. 1.5 percentage points is 2.4% of 63.2%. 0.8 percentage points is 2.7% of 29.6%.

You’re doing the math wrong. For example, (63.2-61.7)/63.2*100, is the correct formula. 1.5 percentage points is 2.4%of 63.2%. 0.8 percentage points is 2.7% of 29.6%.