51.3% is the change from 499 to 755
Calculation steps:
[( 755 - 499 ) ÷ 499] x 100 = 51.3%
Formula
Percentage change = [(755 - 499) / 499] x 100
Subtract the new number by the original number
755 - 499 = 256
256 ÷ 499 = 0.5130260521042084
0.5130260521042084 x 100 = 51.3%