28.78% is the change from 615 to 792
Calculation steps:
[( 792 - 615 ) ÷ 615] x 100 = 28.78%
Formula
Percentage change = [(792 - 615) / 615] x 100
Subtract the new number by the original number
792 - 615 = 177
177 ÷ 615 = 0.28780487804878047
0.28780487804878047 x 100 = 28.78%