21.72% is the change from 778 to 947
Calculation steps:
[( 947 - 778 ) ÷ 778] x 100 = 21.72%
Formula
Percentage change = [(947 - 778) / 778] x 100
Subtract the new number by the original number
947 - 778 = 169
169 ÷ 778 = 0.21722365038560412
0.21722365038560412 x 100 = 21.72%