-39.41% is the change from 807 to 489
Calculation steps:
[( 489 - 807 ) ÷ 807] x 100 = -39.41%
Formula
Percentage change = [(489 - 807) / 807] x 100
Subtract the new number by the original number
489 - 807 = -318
-318 ÷ 807 = -0.3940520446096654
-0.3940520446096654 x 100 = -39.41%