-92.2% is the change from 1000 to 78
Calculation steps:
[( 78 - 1000 ) ÷ 1000] x 100 = -92.2%
Formula
Percentage change = [(78 - 1000) / 1000] x 100
Subtract the new number by the original number
78 - 1000 = -922
-922 ÷ 1000 = -0.922
-0.922 x 100 = -92.2%