-58.5% is the change from 959 to 398
Calculation steps:
[( 398 - 959 ) ÷ 959] x 100 = -58.5%
Formula
Percentage change = [(398 - 959) / 959] x 100
Subtract the new number by the original number
398 - 959 = -561
-561 ÷ 959 = -0.5849843587069864
-0.5849843587069864 x 100 = -58.5%