-54.33% is the change from 959 to 438
Calculation steps:
[( 438 - 959 ) ÷ 959] x 100 = -54.33%
Formula
Percentage change = [(438 - 959) / 959] x 100
Subtract the new number by the original number
438 - 959 = -521
-521 ÷ 959 = -0.543274244004171
-0.543274244004171 x 100 = -54.33%