25.44% is the change from 511 to 641
Calculation steps:
[( 641 - 511 ) ÷ 511] x 100 = 25.44%
Formula
Percentage change = [(641 - 511) / 511] x 100
Subtract the new number by the original number
641 - 511 = 130
130 ÷ 511 = 0.25440313111545987
0.25440313111545987 x 100 = 25.44%