-15.66% is the change from 792 to 668
Calculation steps:
[( 668 - 792 ) ÷ 792] x 100 = -15.66%
Formula
Percentage change = [(668 - 792) / 792] x 100
Subtract the new number by the original number
668 - 792 = -124
-124 ÷ 792 = -0.15656565656565657
-0.15656565656565657 x 100 = -15.66%