39.81% is the change from 540 to 755
Calculation steps:
[( 755 - 540 ) ÷ 540] x 100 = 39.81%
Formula
Percentage change = [(755 - 540) / 540] x 100
Subtract the new number by the original number
755 - 540 = 215
215 ÷ 540 = 0.39814814814814814
0.39814814814814814 x 100 = 39.81%