-48.74% is the change from 989 to 507
Calculation steps:
[( 507 - 989 ) ÷ 989] x 100 = -48.74%
Formula
Percentage change = [(507 - 989) / 989] x 100
Subtract the new number by the original number
507 - 989 = -482
-482 ÷ 989 = -0.487360970677452
-0.487360970677452 x 100 = -48.74%