-48.93% is the change from 985 to 503
Calculation steps:
[( 503 - 985 ) ÷ 985] x 100 = -48.93%
Formula
Percentage change = [(503 - 985) / 985] x 100
Subtract the new number by the original number
503 - 985 = -482
-482 ÷ 985 = -0.48934010152284263
-0.48934010152284263 x 100 = -48.93%