17.37% is the change from 777 to 912
Calculation steps:
[( 912 - 777 ) ÷ 777] x 100 = 17.37%
Formula
Percentage change = [(912 - 777) / 777] x 100
Subtract the new number by the original number
912 - 777 = 135
135 ÷ 777 = 0.17374517374517376
0.17374517374517376 x 100 = 17.37%