18.45% is the change from 656 to 777
Calculation steps:
[( 777 - 656 ) ÷ 656] x 100 = 18.45%
Formula
Percentage change = [(777 - 656) / 656] x 100
Subtract the new number by the original number
777 - 656 = 121
121 ÷ 656 = 0.18445121951219512
0.18445121951219512 x 100 = 18.45%