-93.13% is the change from 291 to 20
Calculation steps:
[( 20 - 291 ) ÷ 291] x 100 = -93.13%
Formula
Percentage change = [(20 - 291) / 291] x 100
Subtract the new number by the original number
20 - 291 = -271
-271 ÷ 291 = -0.9312714776632303
-0.9312714776632303 x 100 = -93.13%