-19.2% is the change from 1000 to 808
Calculation steps:
[( 808 - 1000 ) ÷ 1000] x 100 = -19.2%
Formula
Percentage change = [(808 - 1000) / 1000] x 100
Subtract the new number by the original number
808 - 1000 = -192
-192 ÷ 1000 = -0.192
-0.192 x 100 = -19.2%