-35.07% is the change from 479 to 311
Calculation steps:
[( 311 - 479 ) ÷ 479] x 100 = -35.07%
Formula
Percentage change = [(311 - 479) / 479] x 100
Subtract the new number by the original number
311 - 479 = -168
-168 ÷ 479 = -0.35073068893528186
-0.35073068893528186 x 100 = -35.07%