-92.87% is the change from 855 to 61
Calculation steps:
[( 61 - 855 ) ÷ 855] x 100 = -92.87%
Formula
Percentage change = [(61 - 855) / 855] x 100
Subtract the new number by the original number
61 - 855 = -794
-794 ÷ 855 = -0.928654970760234
-0.928654970760234 x 100 = -92.87%