18.44% is the change from 770 to 912
Calculation steps:
[( 912 - 770 ) ÷ 770] x 100 = 18.44%
Formula
Percentage change = [(912 - 770) / 770] x 100
Subtract the new number by the original number
912 - 770 = 142
142 ÷ 770 = 0.18441558441558442
0.18441558441558442 x 100 = 18.44%