-30.97% is the change from 959 to 662
Calculation steps:
[( 662 - 959 ) ÷ 959] x 100 = -30.97%
Formula
Percentage change = [(662 - 959) / 959] x 100
Subtract the new number by the original number
662 - 959 = -297
-297 ÷ 959 = -0.3096976016684046
-0.3096976016684046 x 100 = -30.97%