21.88% is the change from 777 to 947
Calculation steps:
[( 947 - 777 ) ÷ 777] x 100 = 21.88%
Formula
Percentage change = [(947 - 777) / 777] x 100
Subtract the new number by the original number
947 - 777 = 170
170 ÷ 777 = 0.2187902187902188
0.2187902187902188 x 100 = 21.88%