-15.4% is the change from 792 to 670
Calculation steps:
[( 670 - 792 ) ÷ 792] x 100 = -15.4%
Formula
Percentage change = [(670 - 792) / 792] x 100
Subtract the new number by the original number
670 - 792 = -122
-122 ÷ 792 = -0.15404040404040403
-0.15404040404040403 x 100 = -15.4%