-97.99% is the change from 844 to 17
Calculation steps:
[( 17 - 844 ) ÷ 844] x 100 = -97.99%
Formula
Percentage change = [(17 - 844) / 844] x 100
Subtract the new number by the original number
17 - 844 = -827
-827 ÷ 844 = -0.9798578199052133
-0.9798578199052133 x 100 = -97.99%