22.59% is the change from 518 to 635
Calculation steps:
[( 635 - 518 ) ÷ 518] x 100 = 22.59%
Formula
Percentage change = [(635 - 518) / 518] x 100
Subtract the new number by the original number
635 - 518 = 117
117 ÷ 518 = 0.22586872586872586
0.22586872586872586 x 100 = 22.59%