-83.24% is the change from 865 to 145
Calculation steps:
[( 145 - 865 ) ÷ 865] x 100 = -83.24%
Formula
Percentage change = [(145 - 865) / 865] x 100
Subtract the new number by the original number
145 - 865 = -720
-720 ÷ 865 = -0.8323699421965318
-0.8323699421965318 x 100 = -83.24%