31.21% is the change from 628 to 824
Calculation steps:
[( 824 - 628 ) ÷ 628] x 100 = 31.21%
Formula
Percentage change = [(824 - 628) / 628] x 100
Subtract the new number by the original number
824 - 628 = 196
196 ÷ 628 = 0.31210191082802546
0.31210191082802546 x 100 = 31.21%