-93.19% is the change from 646 to 44
Calculation steps:
[( 44 - 646 ) ÷ 646] x 100 = -93.19%
Formula
Percentage change = [(44 - 646) / 646] x 100
Subtract the new number by the original number
44 - 646 = -602
-602 ÷ 646 = -0.9318885448916409
-0.9318885448916409 x 100 = -93.19%