32.8% is the change from 625 to 830
Calculation steps:
[( 830 - 625 ) ÷ 625] x 100 = 32.8%
Formula
Percentage change = [(830 - 625) / 625] x 100
Subtract the new number by the original number
830 - 625 = 205
205 ÷ 625 = 0.328
0.328 x 100 = 32.8%
Example