-66.91% is the change from 961 to 318
Calculation steps:
[( 318 - 961 ) ÷ 961] x 100 = -66.91%
Formula
Percentage change = [(318 - 961) / 961] x 100
Subtract the new number by the original number
318 - 961 = -643
-643 ÷ 961 = -0.6690946930280958
-0.6690946930280958 x 100 = -66.91%