-32.61% is the change from 460 to 310
Calculation steps:
[( 310 - 460 ) ÷ 460] x 100 = -32.61%
Formula
Percentage change = [(310 - 460) / 460] x 100
Subtract the new number by the original number
310 - 460 = -150
-150 ÷ 460 = -0.32608695652173914
-0.32608695652173914 x 100 = -32.61%