20.81% is the change from 812 to 981
Calculation steps:
[( 981 - 812 ) ÷ 812] x 100 = 20.81%
Formula
Percentage change = [(981 - 812) / 812] x 100
Subtract the new number by the original number
981 - 812 = 169
169 ÷ 812 = 0.20812807881773399
0.20812807881773399 x 100 = 20.81%