-45.22% is the change from 628 to 344
Calculation steps:
[( 344 - 628 ) ÷ 628] x 100 = -45.22%
Formula
Percentage change = [(344 - 628) / 628] x 100
Subtract the new number by the original number
344 - 628 = -284
-284 ÷ 628 = -0.45222929936305734
-0.45222929936305734 x 100 = -45.22%