90.73% is the change from 518 to 988
Calculation steps:
[( 988 - 518 ) ÷ 518] x 100 = 90.73%
Formula
Percentage change = [(988 - 518) / 518] x 100
Subtract the new number by the original number
988 - 518 = 470
470 ÷ 518 = 0.9073359073359073
0.9073359073359073 x 100 = 90.73%