393.58% is the change from 109 to 538
Calculation steps:
[( 538 - 109 ) ÷ 109] x 100 = 393.58%
Formula
Percentage change = [(538 - 109) / 109] x 100
Subtract the new number by the original number
538 - 109 = 429
429 ÷ 109 = 3.9357798165137616
3.9357798165137616 x 100 = 393.58%