91.07% is the change from 403 to 770
Calculation steps:
[( 770 - 403 ) ÷ 403] x 100 = 91.07%
Formula
Percentage change = [(770 - 403) / 403] x 100
Subtract the new number by the original number
770 - 403 = 367
367 ÷ 403 = 0.9106699751861043
0.9106699751861043 x 100 = 91.07%