17.5% is the change from 817 to 960
Calculation steps:
[( 960 - 817 ) ÷ 817] x 100 = 17.5%
Formula
Percentage change = [(960 - 817) / 817] x 100
Subtract the new number by the original number
960 - 817 = 143
143 ÷ 817 = 0.17503059975520197
0.17503059975520197 x 100 = 17.5%