-92.07% is the change from 479 to 38
Calculation steps:
[( 38 - 479 ) ÷ 479] x 100 = -92.07%
Formula
Percentage change = [(38 - 479) / 479] x 100
Subtract the new number by the original number
38 - 479 = -441
-441 ÷ 479 = -0.9206680584551148
-0.9206680584551148 x 100 = -92.07%