19.82% is the change from 681 to 816
Calculation steps:
[( 816 - 681 ) ÷ 681] x 100 = 19.82%
Formula
Percentage change = [(816 - 681) / 681] x 100
Subtract the new number by the original number
816 - 681 = 135
135 ÷ 681 = 0.19823788546255505
0.19823788546255505 x 100 = 19.82%