508.91% is the change from 101 to 615
Calculation steps:
[( 615 - 101 ) ÷ 101] x 100 = 508.91%
Formula
Percentage change = [(615 - 101) / 101] x 100
Subtract the new number by the original number
615 - 101 = 514
514 ÷ 101 = 5.089108910891089
5.089108910891089 x 100 = 508.91%