18.31% is the change from 770 to 911
Calculation steps:
[( 911 - 770 ) ÷ 770] x 100 = 18.31%
Formula
Percentage change = [(911 - 770) / 770] x 100
Subtract the new number by the original number
911 - 770 = 141
141 ÷ 770 = 0.18311688311688312
0.18311688311688312 x 100 = 18.31%