-13.44% is the change from 915 to 792
Calculation steps:
[( 792 - 915 ) ÷ 915] x 100 = -13.44%
Formula
Percentage change = [(792 - 915) / 915] x 100
Subtract the new number by the original number
792 - 915 = -123
-123 ÷ 915 = -0.13442622950819672
-0.13442622950819672 x 100 = -13.44%