73.75% is the change from 518 to 900
Calculation steps:
[( 900 - 518 ) ÷ 518] x 100 = 73.75%
Formula
Percentage change = [(900 - 518) / 518] x 100
Subtract the new number by the original number
900 - 518 = 382
382 ÷ 518 = 0.7374517374517374
0.7374517374517374 x 100 = 73.75%