9.1% is the change from 868 to 947
Calculation steps:
[( 947 - 868 ) ÷ 868] x 100 = 9.1%
Formula
Percentage change = [(947 - 868) / 868] x 100
Subtract the new number by the original number
947 - 868 = 79
79 ÷ 868 = 0.09101382488479262
0.09101382488479262 x 100 = 9.1%