75.48% is the change from 518 to 909
Calculation steps:
[( 909 - 518 ) ÷ 518] x 100 = 75.48%
Formula
Percentage change = [(909 - 518) / 518] x 100
Subtract the new number by the original number
909 - 518 = 391
391 ÷ 518 = 0.7548262548262549
0.7548262548262549 x 100 = 75.48%