15.77% is the change from 818 to 947
Calculation steps:
[( 947 - 818 ) ÷ 818] x 100 = 15.77%
Formula
Percentage change = [(947 - 818) / 818] x 100
Subtract the new number by the original number
947 - 818 = 129
129 ÷ 818 = 0.15770171149144255
0.15770171149144255 x 100 = 15.77%