-84.07% is the change from 854 to 136
Calculation steps:
[( 136 - 854 ) ÷ 854] x 100 = -84.07%
Formula
Percentage change = [(136 - 854) / 854] x 100
Subtract the new number by the original number
136 - 854 = -718
-718 ÷ 854 = -0.8407494145199064
-0.8407494145199064 x 100 = -84.07%