-28.53% is the change from 347 to 248
Calculation steps:
[( 248 - 347 ) ÷ 347] x 100 = -28.53%
Formula
Percentage change = [(248 - 347) / 347] x 100
Subtract the new number by the original number
248 - 347 = -99
-99 ÷ 347 = -0.28530259365994237
-0.28530259365994237 x 100 = -28.53%