-44.44% is the change from 639 to 355
Calculation steps:
[( 355 - 639 ) ÷ 639] x 100 = -44.44%
Formula
Percentage change = [(355 - 639) / 639] x 100
Subtract the new number by the original number
355 - 639 = -284
-284 ÷ 639 = -0.4444444444444444
-0.4444444444444444 x 100 = -44.44%