-89.81% is the change from 854 to 87
Calculation steps:
[( 87 - 854 ) ÷ 854] x 100 = -89.81%
Formula
Percentage change = [(87 - 854) / 854] x 100
Subtract the new number by the original number
87 - 854 = -767
-767 ÷ 854 = -0.8981264637002342
-0.8981264637002342 x 100 = -89.81%