-80.77% is the change from 286 to 55
Calculation steps:
[( 55 - 286 ) ÷ 286] x 100 = -80.77%
Formula
Percentage change = [(55 - 286) / 286] x 100
Subtract the new number by the original number
55 - 286 = -231
-231 ÷ 286 = -0.8076923076923077
-0.8076923076923077 x 100 = -80.77%