-66.12% is the change from 850 to 288
Calculation steps:
[( 288 - 850 ) ÷ 850] x 100 = -66.12%
Formula
Percentage change = [(288 - 850) / 850] x 100
Subtract the new number by the original number
288 - 850 = -562
-562 ÷ 850 = -0.6611764705882353
-0.6611764705882353 x 100 = -66.12%