502.94% is the change from 102 to 615
Calculation steps:
[( 615 - 102 ) ÷ 102] x 100 = 502.94%
Formula
Percentage change = [(615 - 102) / 102] x 100
Subtract the new number by the original number
615 - 102 = 513
513 ÷ 102 = 5.029411764705882
5.029411764705882 x 100 = 502.94%