-45.3% is the change from 649 to 355
Calculation steps:
[( 355 - 649 ) ÷ 649] x 100 = -45.3%
Formula
Percentage change = [(355 - 649) / 649] x 100
Subtract the new number by the original number
355 - 649 = -294
-294 ÷ 649 = -0.4530046224961479
-0.4530046224961479 x 100 = -45.3%