500% is the change from 109 to 654
Calculation steps:
[( 654 - 109 ) ÷ 109] x 100 = 500%
Formula
Percentage change = [(654 - 109) / 109] x 100
Subtract the new number by the original number
654 - 109 = 545
545 ÷ 109 = 5
5 x 100 = 500%
Example