18.73% is the change from 817 to 970
Calculation steps:
[( 970 - 817 ) ÷ 817] x 100 = 18.73%
Formula
Percentage change = [(970 - 817) / 817] x 100
Subtract the new number by the original number
970 - 817 = 153
153 ÷ 817 = 0.18727050183598531
0.18727050183598531 x 100 = 18.73%