-80.59% is the change from 273 to 53
Calculation steps:
[( 53 - 273 ) ÷ 273] x 100 = -80.59%
Formula
Percentage change = [(53 - 273) / 273] x 100
Subtract the new number by the original number
53 - 273 = -220
-220 ÷ 273 = -0.8058608058608059
-0.8058608058608059 x 100 = -80.59%