74.52% is the change from 518 to 904
Calculation steps:
[( 904 - 518 ) ÷ 518] x 100 = 74.52%
Formula
Percentage change = [(904 - 518) / 518] x 100
Subtract the new number by the original number
904 - 518 = 386
386 ÷ 518 = 0.7451737451737451
0.7451737451737451 x 100 = 74.52%