50% is the change from 410 to 615
Calculation steps:
[( 615 - 410 ) ÷ 410] x 100 = 50%
Formula
Percentage change = [(615 - 410) / 410] x 100
Subtract the new number by the original number
615 - 410 = 205
205 ÷ 410 = 0.5
0.5 x 100 = 50%
Example