-95.02% is the change from 643 to 32
Calculation steps:
[( 32 - 643 ) ÷ 643] x 100 = -95.02%
Formula
Percentage change = [(32 - 643) / 643] x 100
Subtract the new number by the original number
32 - 643 = -611
-611 ÷ 643 = -0.9502332814930016
-0.9502332814930016 x 100 = -95.02%