35.23% is the change from 511 to 691
Calculation steps:
[( 691 - 511 ) ÷ 511] x 100 = 35.23%
Formula
Percentage change = [(691 - 511) / 511] x 100
Subtract the new number by the original number
691 - 511 = 180
180 ÷ 511 = 0.3522504892367906
0.3522504892367906 x 100 = 35.23%