-80.14% is the change from 277 to 55
Calculation steps:
[( 55 - 277 ) ÷ 277] x 100 = -80.14%
Formula
Percentage change = [(55 - 277) / 277] x 100
Subtract the new number by the original number
55 - 277 = -222
-222 ÷ 277 = -0.8014440433212996
-0.8014440433212996 x 100 = -80.14%