52.03% is the change from 615 to 935
Calculation steps:
[( 935 - 615 ) ÷ 615] x 100 = 52.03%
Formula
Percentage change = [(935 - 615) / 615] x 100
Subtract the new number by the original number
935 - 615 = 320
320 ÷ 615 = 0.5203252032520326
0.5203252032520326 x 100 = 52.03%