-65.67% is the change from 839 to 288
Calculation steps:
[( 288 - 839 ) ÷ 839] x 100 = -65.67%
Formula
Percentage change = [(288 - 839) / 839] x 100
Subtract the new number by the original number
288 - 839 = -551
-551 ÷ 839 = -0.6567342073897497
-0.6567342073897497 x 100 = -65.67%