-28.19% is the change from 486 to 349
Calculation steps:
[( 349 - 486 ) ÷ 486] x 100 = -28.19%
Formula
Percentage change = [(349 - 486) / 486] x 100
Subtract the new number by the original number
349 - 486 = -137
-137 ÷ 486 = -0.28189300411522633
-0.28189300411522633 x 100 = -28.19%