-99.53% is the change from 844 to 4
Calculation steps:
[( 4 - 844 ) ÷ 844] x 100 = -99.53%
Formula
Percentage change = [(4 - 844) / 844] x 100
Subtract the new number by the original number
4 - 844 = -840
-840 ÷ 844 = -0.995260663507109
-0.995260663507109 x 100 = -99.53%