-70.19% is the change from 966 to 288
Calculation steps:
[( 288 - 966 ) ÷ 966] x 100 = -70.19%
Formula
Percentage change = [(288 - 966) / 966] x 100
Subtract the new number by the original number
288 - 966 = -678
-678 ÷ 966 = -0.7018633540372671
-0.7018633540372671 x 100 = -70.19%