33.26% is the change from 481 to 641
Calculation steps:
[( 641 - 481 ) ÷ 481] x 100 = 33.26%
Formula
Percentage change = [(641 - 481) / 481] x 100
Subtract the new number by the original number
641 - 481 = 160
160 ÷ 481 = 0.33264033264033266
0.33264033264033266 x 100 = 33.26%