12.24% is the change from 817 to 917
Calculation steps:
[( 917 - 817 ) ÷ 817] x 100 = 12.24%
Formula
Percentage change = [(917 - 817) / 817] x 100
Subtract the new number by the original number
917 - 817 = 100
100 ÷ 817 = 0.12239902080783353
0.12239902080783353 x 100 = 12.24%