-15.91% is the change from 792 to 666
Calculation steps:
[( 666 - 792 ) ÷ 792] x 100 = -15.91%
Formula
Percentage change = [(666 - 792) / 792] x 100
Subtract the new number by the original number
666 - 792 = -126
-126 ÷ 792 = -0.1590909090909091
-0.1590909090909091 x 100 = -15.91%