51.06% is the change from 615 to 929
Calculation steps:
[( 929 - 615 ) ÷ 615] x 100 = 51.06%
Formula
Percentage change = [(929 - 615) / 615] x 100
Subtract the new number by the original number
929 - 615 = 314
314 ÷ 615 = 0.510569105691057
0.510569105691057 x 100 = 51.06%