15.28% is the change from 615 to 709
Calculation steps:
[( 709 - 615 ) ÷ 615] x 100 = 15.28%
Formula
Percentage change = [(709 - 615) / 615] x 100
Subtract the new number by the original number
709 - 615 = 94
94 ÷ 615 = 0.15284552845528454
0.15284552845528454 x 100 = 15.28%