-93.16% is the change from 643 to 44
Calculation steps:
[( 44 - 643 ) ÷ 643] x 100 = -93.16%
Formula
Percentage change = [(44 - 643) / 643] x 100
Subtract the new number by the original number
44 - 643 = -599
-599 ÷ 643 = -0.9315707620528771
-0.9315707620528771 x 100 = -93.16%