-20.8% is the change from 1000 to 792
Calculation steps:
[( 792 - 1000 ) ÷ 1000] x 100 = -20.8%
Formula
Percentage change = [(792 - 1000) / 1000] x 100
Subtract the new number by the original number
792 - 1000 = -208
-208 ÷ 1000 = -0.208
-0.208 x 100 = -20.8%