-55.8% is the change from 638 to 282
Calculation steps:
[( 282 - 638 ) ÷ 638] x 100 = -55.8%
Formula
Percentage change = [(282 - 638) / 638] x 100
Subtract the new number by the original number
282 - 638 = -356
-356 ÷ 638 = -0.5579937304075235
-0.5579937304075235 x 100 = -55.8%