-70.39% is the change from 966 to 286
Calculation steps:
[( 286 - 966 ) ÷ 966] x 100 = -70.39%
Formula
Percentage change = [(286 - 966) / 966] x 100
Subtract the new number by the original number
286 - 966 = -680
-680 ÷ 966 = -0.7039337474120083
-0.7039337474120083 x 100 = -70.39%