-80.36% is the change from 275 to 54
Calculation steps:
[( 54 - 275 ) ÷ 275] x 100 = -80.36%
Formula
Percentage change = [(54 - 275) / 275] x 100
Subtract the new number by the original number
54 - 275 = -221
-221 ÷ 275 = -0.8036363636363636
-0.8036363636363636 x 100 = -80.36%