19.41% is the change from 680 to 812
Calculation steps:
[( 812 - 680 ) ÷ 680] x 100 = 19.41%
Formula
Percentage change = [(812 - 680) / 680] x 100
Subtract the new number by the original number
812 - 680 = 132
132 ÷ 680 = 0.19411764705882353
0.19411764705882353 x 100 = 19.41%