-56.99% is the change from 479 to 206
Calculation steps:
[( 206 - 479 ) ÷ 479] x 100 = -56.99%
Formula
Percentage change = [(206 - 479) / 479] x 100
Subtract the new number by the original number
206 - 479 = -273
-273 ÷ 479 = -0.569937369519833
-0.569937369519833 x 100 = -56.99%