317.05% is the change from 129 to 538
Calculation steps:
[( 538 - 129 ) ÷ 129] x 100 = 317.05%
Formula
Percentage change = [(538 - 129) / 129] x 100
Subtract the new number by the original number
538 - 129 = 409
409 ÷ 129 = 3.1705426356589146
3.1705426356589146 x 100 = 317.05%