20.42% is the change from 813 to 979
Calculation steps:
[( 979 - 813 ) ÷ 813] x 100 = 20.42%
Formula
Percentage change = [(979 - 813) / 813] x 100
Subtract the new number by the original number
979 - 813 = 166
166 ÷ 813 = 0.20418204182041821
0.20418204182041821 x 100 = 20.42%