-79.7% is the change from 271 to 55
Calculation steps:
[( 55 - 271 ) ÷ 271] x 100 = -79.7%
Formula
Percentage change = [(55 - 271) / 271] x 100
Subtract the new number by the original number
55 - 271 = -216
-216 ÷ 271 = -0.7970479704797048
-0.7970479704797048 x 100 = -79.7%