-66.08% is the change from 855 to 290
Calculation steps:
[( 290 - 855 ) ÷ 855] x 100 = -66.08%
Formula
Percentage change = [(290 - 855) / 855] x 100
Subtract the new number by the original number
290 - 855 = -565
-565 ÷ 855 = -0.6608187134502924
-0.6608187134502924 x 100 = -66.08%