75.53% is the change from 515 to 904
Calculation steps:
[( 904 - 515 ) ÷ 515] x 100 = 75.53%
Formula
Percentage change = [(904 - 515) / 515] x 100
Subtract the new number by the original number
904 - 515 = 389
389 ÷ 515 = 0.7553398058252427
0.7553398058252427 x 100 = 75.53%