-30.03% is the change from 959 to 671
Calculation steps:
[( 671 - 959 ) ÷ 959] x 100 = -30.03%
Formula
Percentage change = [(671 - 959) / 959] x 100
Subtract the new number by the original number
671 - 959 = -288
-288 ÷ 959 = -0.30031282586027114
-0.30031282586027114 x 100 = -30.03%