-98.03% is the change from 865 to 17
Calculation steps:
[( 17 - 865 ) ÷ 865] x 100 = -98.03%
Formula
Percentage change = [(17 - 865) / 865] x 100
Subtract the new number by the original number
17 - 865 = -848
-848 ÷ 865 = -0.9803468208092485
-0.9803468208092485 x 100 = -98.03%