500% is the change from 17 to 102
Calculation steps:
[( 102 - 17 ) ÷ 17] x 100 = 500%
Formula
Percentage change = [(102 - 17) / 17] x 100
Subtract the new number by the original number
102 - 17 = 85
85 ÷ 17 = 5
5 x 100 = 500%
Example