-8.09% is the change from 346 to 318
Calculation steps:
[( 318 - 346 ) ÷ 346] x 100 = -8.09%
Formula
Percentage change = [(318 - 346) / 346] x 100
Subtract the new number by the original number
318 - 346 = -28
-28 ÷ 346 = -0.08092485549132948
-0.08092485549132948 x 100 = -8.09%
Example