-42.75% is the change from 959 to 549
Calculation steps:
[( 549 - 959 ) ÷ 959] x 100 = -42.75%
Formula
Percentage change = [(549 - 959) / 959] x 100
Subtract the new number by the original number
549 - 959 = -410
-410 ÷ 959 = -0.42752867570385816
-0.42752867570385816 x 100 = -42.75%