-43.54% is the change from 503 to 284
Calculation steps:
[( 284 - 503 ) ÷ 503] x 100 = -43.54%
Formula
Percentage change = [(284 - 503) / 503] x 100
Subtract the new number by the original number
284 - 503 = -219
-219 ÷ 503 = -0.43538767395626243
-0.43538767395626243 x 100 = -43.54%