-30.18% is the change from 961 to 671
Calculation steps:
[( 671 - 961 ) ÷ 961] x 100 = -30.18%
Formula
Percentage change = [(671 - 961) / 961] x 100
Subtract the new number by the original number
671 - 961 = -290
-290 ÷ 961 = -0.3017689906347555
-0.3017689906347555 x 100 = -30.18%