17.33% is the change from 831 to 975
Calculation steps:
[( 975 - 831 ) ÷ 831] x 100 = 17.33%
Formula
Percentage change = [(975 - 831) / 831] x 100
Subtract the new number by the original number
975 - 831 = 144
144 ÷ 831 = 0.17328519855595667
0.17328519855595667 x 100 = 17.33%