-83.02% is the change from 854 to 145
Calculation steps:
[( 145 - 854 ) ÷ 854] x 100 = -83.02%
Formula
Percentage change = [(145 - 854) / 854] x 100
Subtract the new number by the original number
145 - 854 = -709
-709 ÷ 854 = -0.8302107728337237
-0.8302107728337237 x 100 = -83.02%