35.59% is the change from 472 to 640
Calculation steps:
[( 640 - 472 ) ÷ 472] x 100 = 35.59%
Formula
Percentage change = [(640 - 472) / 472] x 100
Subtract the new number by the original number
640 - 472 = 168
168 ÷ 472 = 0.3559322033898305
0.3559322033898305 x 100 = 35.59%