127.81% is the change from 338 to 770
Calculation steps:
[( 770 - 338 ) ÷ 338] x 100 = 127.81%
Formula
Percentage change = [(770 - 338) / 338] x 100
Subtract the new number by the original number
770 - 338 = 432
432 ÷ 338 = 1.2781065088757397
1.2781065088757397 x 100 = 127.81%