-7.18% is the change from 348 to 323
Calculation steps:
[( 323 - 348 ) ÷ 348] x 100 = -7.18%
Formula
Percentage change = [(323 - 348) / 348] x 100
Subtract the new number by the original number
323 - 348 = -25
-25 ÷ 348 = -0.07183908045977011
-0.07183908045977011 x 100 = -7.18%