-88.65% is the change from 855 to 97
Calculation steps:
[( 97 - 855 ) ÷ 855] x 100 = -88.65%
Formula
Percentage change = [(97 - 855) / 855] x 100
Subtract the new number by the original number
97 - 855 = -758
-758 ÷ 855 = -0.8865497076023392
-0.8865497076023392 x 100 = -88.65%