9.78% is the change from 757 to 831
Calculation steps:
[( 831 - 757 ) ÷ 757] x 100 = 9.78%
Formula
Percentage change = [(831 - 757) / 757] x 100
Subtract the new number by the original number
831 - 757 = 74
74 ÷ 757 = 0.0977542932628798
0.0977542932628798 x 100 = 9.78%