20.57% is the change from 812 to 979
Calculation steps:
[( 979 - 812 ) ÷ 812] x 100 = 20.57%
Formula
Percentage change = [(979 - 812) / 812] x 100
Subtract the new number by the original number
979 - 812 = 167
167 ÷ 812 = 0.20566502463054187
0.20566502463054187 x 100 = 20.57%