28.99% is the change from 645 to 832
Calculation steps:
[( 832 - 645 ) ÷ 645] x 100 = 28.99%
Formula
Percentage change = [(832 - 645) / 645] x 100
Subtract the new number by the original number
832 - 645 = 187
187 ÷ 645 = 0.289922480620155
0.289922480620155 x 100 = 28.99%