17.09% is the change from 831 to 973
Calculation steps:
[( 973 - 831 ) ÷ 831] x 100 = 17.09%
Formula
Percentage change = [(973 - 831) / 831] x 100
Subtract the new number by the original number
973 - 831 = 142
142 ÷ 831 = 0.17087845968712395
0.17087845968712395 x 100 = 17.09%