-31.42% is the change from 643 to 441
Calculation steps:
[( 441 - 643 ) ÷ 643] x 100 = -31.42%
Formula
Percentage change = [(441 - 643) / 643] x 100
Subtract the new number by the original number
441 - 643 = -202
-202 ÷ 643 = -0.3141524105754277
-0.3141524105754277 x 100 = -31.42%