-10.63% is the change from 348 to 311
Calculation steps:
[( 311 - 348 ) ÷ 348] x 100 = -10.63%
Formula
Percentage change = [(311 - 348) / 348] x 100
Subtract the new number by the original number
311 - 348 = -37
-37 ÷ 348 = -0.10632183908045977
-0.10632183908045977 x 100 = -10.63%