-92.98% is the change from 285 to 20
Calculation steps:
[( 20 - 285 ) ÷ 285] x 100 = -92.98%
Formula
Percentage change = [(20 - 285) / 285] x 100
Subtract the new number by the original number
20 - 285 = -265
-265 ÷ 285 = -0.9298245614035088
-0.9298245614035088 x 100 = -92.98%