-79.12% is the change from 273 to 57
Calculation steps:
[( 57 - 273 ) ÷ 273] x 100 = -79.12%
Formula
Percentage change = [(57 - 273) / 273] x 100
Subtract the new number by the original number
57 - 273 = -216
-216 ÷ 273 = -0.7912087912087912
-0.7912087912087912 x 100 = -79.12%