-94.92% is the change from 394 to 20
Calculation steps:
[( 20 - 394 ) ÷ 394] x 100 = -94.92%
Formula
Percentage change = [(20 - 394) / 394] x 100
Subtract the new number by the original number
20 - 394 = -374
-374 ÷ 394 = -0.949238578680203
-0.949238578680203 x 100 = -94.92%