-70.29% is the change from 966 to 287
Calculation steps:
[( 287 - 966 ) ÷ 966] x 100 = -70.29%
Formula
Percentage change = [(287 - 966) / 966] x 100
Subtract the new number by the original number
287 - 966 = -679
-679 ÷ 966 = -0.7028985507246377
-0.7028985507246377 x 100 = -70.29%