-10.37% is the change from 347 to 311
Calculation steps:
[( 311 - 347 ) ÷ 347] x 100 = -10.37%
Formula
Percentage change = [(311 - 347) / 347] x 100
Subtract the new number by the original number
311 - 347 = -36
-36 ÷ 347 = -0.1037463976945245
-0.1037463976945245 x 100 = -10.37%