-92.62% is the change from 271 to 20
Calculation steps:
[( 20 - 271 ) ÷ 271] x 100 = -92.62%
Formula
Percentage change = [(20 - 271) / 271] x 100
Subtract the new number by the original number
20 - 271 = -251
-251 ÷ 271 = -0.9261992619926199
-0.9261992619926199 x 100 = -92.62%