15.91% is the change from 811 to 940
Calculation steps:
[( 940 - 811 ) ÷ 811] x 100 = 15.91%
Formula
Percentage change = [(940 - 811) / 811] x 100
Subtract the new number by the original number
940 - 811 = 129
129 ÷ 811 = 0.15906288532675708
0.15906288532675708 x 100 = 15.91%