55.02% is the change from 518 to 803
Calculation steps:
[( 803 - 518 ) ÷ 518] x 100 = 55.02%
Formula
Percentage change = [(803 - 518) / 518] x 100
Subtract the new number by the original number
803 - 518 = 285
285 ÷ 518 = 0.5501930501930502
0.5501930501930502 x 100 = 55.02%