-95.26% is the change from 844 to 40
Calculation steps:
[( 40 - 844 ) ÷ 844] x 100 = -95.26%
Formula
Percentage change = [(40 - 844) / 844] x 100
Subtract the new number by the original number
40 - 844 = -804
-804 ÷ 844 = -0.95260663507109
-0.95260663507109 x 100 = -95.26%