-92.83% is the change from 279 to 20
Calculation steps:
[( 20 - 279 ) ÷ 279] x 100 = -92.83%
Formula
Percentage change = [(20 - 279) / 279] x 100
Subtract the new number by the original number
20 - 279 = -259
-259 ÷ 279 = -0.9283154121863799
-0.9283154121863799 x 100 = -92.83%