32.17% is the change from 628 to 830
Calculation steps:
[( 830 - 628 ) ÷ 628] x 100 = 32.17%
Formula
Percentage change = [(830 - 628) / 628] x 100
Subtract the new number by the original number
830 - 628 = 202
202 ÷ 628 = 0.321656050955414
0.321656050955414 x 100 = 32.17%