-45.02% is the change from 642 to 353
Calculation steps:
[( 353 - 642 ) ÷ 642] x 100 = -45.02%
Formula
Percentage change = [(353 - 642) / 642] x 100
Subtract the new number by the original number
353 - 642 = -289
-289 ÷ 642 = -0.4501557632398754
-0.4501557632398754 x 100 = -45.02%