-39.62% is the change from 959 to 579
Calculation steps:
[( 579 - 959 ) ÷ 959] x 100 = -39.62%
Formula
Percentage change = [(579 - 959) / 959] x 100
Subtract the new number by the original number
579 - 959 = -380
-380 ÷ 959 = -0.3962460896767466
-0.3962460896767466 x 100 = -39.62%