-45.78% is the change from 959 to 520
Calculation steps:
[( 520 - 959 ) ÷ 959] x 100 = -45.78%
Formula
Percentage change = [(520 - 959) / 959] x 100
Subtract the new number by the original number
520 - 959 = -439
-439 ÷ 959 = -0.45776850886339937
-0.45776850886339937 x 100 = -45.78%