-92.96% is the change from 284 to 20
Calculation steps:
[( 20 - 284 ) ÷ 284] x 100 = -92.96%
Formula
Percentage change = [(20 - 284) / 284] x 100
Subtract the new number by the original number
20 - 284 = -264
-264 ÷ 284 = -0.9295774647887324
-0.9295774647887324 x 100 = -92.96%