57.29% is the change from 480 to 755
Calculation steps:
[( 755 - 480 ) ÷ 480] x 100 = 57.29%
Formula
Percentage change = [(755 - 480) / 480] x 100
Subtract the new number by the original number
755 - 480 = 275
275 ÷ 480 = 0.5729166666666666
0.5729166666666666 x 100 = 57.29%