-28.81% is the change from 486 to 346
Calculation steps:
[( 346 - 486 ) ÷ 486] x 100 = -28.81%
Formula
Percentage change = [(346 - 486) / 486] x 100
Subtract the new number by the original number
346 - 486 = -140
-140 ÷ 486 = -0.2880658436213992
-0.2880658436213992 x 100 = -28.81%