-45.51% is the change from 646 to 352
Calculation steps:
[( 352 - 646 ) ÷ 646] x 100 = -45.51%
Formula
Percentage change = [(352 - 646) / 646] x 100
Subtract the new number by the original number
352 - 646 = -294
-294 ÷ 646 = -0.4551083591331269
-0.4551083591331269 x 100 = -45.51%