500% is the change from 102 to 612
Calculation steps:
[( 612 - 102 ) ÷ 102] x 100 = 500%
Formula
Percentage change = [(612 - 102) / 102] x 100
Subtract the new number by the original number
612 - 102 = 510
510 ÷ 102 = 5
5 x 100 = 500%
Example