-8.07% is the change from 347 to 319
Calculation steps:
[( 319 - 347 ) ÷ 347] x 100 = -8.07%
Formula
Percentage change = [(319 - 347) / 347] x 100
Subtract the new number by the original number
319 - 347 = -28
-28 ÷ 347 = -0.08069164265129683
-0.08069164265129683 x 100 = -8.07%