-48.93% is the change from 938 to 479
Calculation steps:
[( 479 - 938 ) ÷ 938] x 100 = -48.93%
Formula
Percentage change = [(479 - 938) / 938] x 100
Subtract the new number by the original number
479 - 938 = -459
-459 ÷ 938 = -0.48933901918976547
-0.48933901918976547 x 100 = -48.93%