56.76% is the change from 518 to 812
Calculation steps:
[( 812 - 518 ) ÷ 518] x 100 = 56.76%
Formula
Percentage change = [(812 - 518) / 518] x 100
Subtract the new number by the original number
812 - 518 = 294
294 ÷ 518 = 0.5675675675675675
0.5675675675675675 x 100 = 56.76%