20.07% is the change from 812 to 975
Calculation steps:
[( 975 - 812 ) ÷ 812] x 100 = 20.07%
Formula
Percentage change = [(975 - 812) / 812] x 100
Subtract the new number by the original number
975 - 812 = 163
163 ÷ 812 = 0.20073891625615764
0.20073891625615764 x 100 = 20.07%