-34.03% is the change from 479 to 316
Calculation steps:
[( 316 - 479 ) ÷ 479] x 100 = -34.03%
Formula
Percentage change = [(316 - 479) / 479] x 100
Subtract the new number by the original number
316 - 479 = -163
-163 ÷ 479 = -0.34029227557411273
-0.34029227557411273 x 100 = -34.03%