-66% is the change from 847 to 288
Calculation steps:
[( 288 - 847 ) ÷ 847] x 100 = -66%
Formula
Percentage change = [(288 - 847) / 847] x 100
Subtract the new number by the original number
288 - 847 = -559
-559 ÷ 847 = -0.6599763872491146
-0.6599763872491146 x 100 = -66%