-70.5% is the change from 966 to 285
Calculation steps:
[( 285 - 966 ) ÷ 966] x 100 = -70.5%
Formula
Percentage change = [(285 - 966) / 966] x 100
Subtract the new number by the original number
285 - 966 = -681
-681 ÷ 966 = -0.7049689440993789
-0.7049689440993789 x 100 = -70.5%