51.6% is the change from 500 to 758
Calculation steps:
[( 758 - 500 ) ÷ 500] x 100 = 51.6%
Formula
Percentage change = [(758 - 500) / 500] x 100
Subtract the new number by the original number
758 - 500 = 258
258 ÷ 500 = 0.516
0.516 x 100 = 51.6%
Example