-45.36% is the change from 646 to 353
Calculation steps:
[( 353 - 646 ) ÷ 646] x 100 = -45.36%
Formula
Percentage change = [(353 - 646) / 646] x 100
Subtract the new number by the original number
353 - 646 = -293
-293 ÷ 646 = -0.4535603715170279
-0.4535603715170279 x 100 = -45.36%
Example