-61.76% is the change from 638 to 244
Calculation steps:
[( 244 - 638 ) ÷ 638] x 100 = -61.76%
Formula
Percentage change = [(244 - 638) / 638] x 100
Subtract the new number by the original number
244 - 638 = -394
-394 ÷ 638 = -0.6175548589341693
-0.6175548589341693 x 100 = -61.76%