491.35% is the change from 104 to 615
Calculation steps:
[( 615 - 104 ) ÷ 104] x 100 = 491.35%
Formula
Percentage change = [(615 - 104) / 104] x 100
Subtract the new number by the original number
615 - 104 = 511
511 ÷ 104 = 4.913461538461538
4.913461538461538 x 100 = 491.35%