-48.32% is the change from 981 to 507
Calculation steps:
[( 507 - 981 ) ÷ 981] x 100 = -48.32%
Formula
Percentage change = [(507 - 981) / 981] x 100
Subtract the new number by the original number
507 - 981 = -474
-474 ÷ 981 = -0.4831804281345566
-0.4831804281345566 x 100 = -48.32%