-48.93% is the change from 981 to 501
Calculation steps:
[( 501 - 981 ) ÷ 981] x 100 = -48.93%
Formula
Percentage change = [(501 - 981) / 981] x 100
Subtract the new number by the original number
501 - 981 = -480
-480 ÷ 981 = -0.4892966360856269
-0.4892966360856269 x 100 = -48.93%