-53.76% is the change from 638 to 295
Calculation steps:
[( 295 - 638 ) ÷ 638] x 100 = -53.76%
Formula
Percentage change = [(295 - 638) / 638] x 100
Subtract the new number by the original number
295 - 638 = -343
-343 ÷ 638 = -0.5376175548589341
-0.5376175548589341 x 100 = -53.76%