-80.8% is the change from 1000 to 192
Calculation steps:
[( 192 - 1000 ) ÷ 1000] x 100 = -80.8%
Formula
Percentage change = [(192 - 1000) / 1000] x 100
Subtract the new number by the original number
192 - 1000 = -808
-808 ÷ 1000 = -0.808
-0.808 x 100 = -80.8%