32.23% is the change from 515 to 681
Calculation steps:
[( 681 - 515 ) ÷ 515] x 100 = 32.23%
Formula
Percentage change = [(681 - 515) / 515] x 100
Subtract the new number by the original number
681 - 515 = 166
166 ÷ 515 = 0.32233009708737864
0.32233009708737864 x 100 = 32.23%