-42.48% is the change from 638 to 367
Calculation steps:
[( 367 - 638 ) ÷ 638] x 100 = -42.48%
Formula
Percentage change = [(367 - 638) / 638] x 100
Subtract the new number by the original number
367 - 638 = -271
-271 ÷ 638 = -0.42476489028213166
-0.42476489028213166 x 100 = -42.48%