-49.3% is the change from 284 to 144
Calculation steps:
[( 144 - 284 ) ÷ 284] x 100 = -49.3%
Formula
Percentage change = [(144 - 284) / 284] x 100
Subtract the new number by the original number
144 - 284 = -140
-140 ÷ 284 = -0.49295774647887325
-0.49295774647887325 x 100 = -49.3%