-28.24% is the change from 347 to 249
Calculation steps:
[( 249 - 347 ) ÷ 347] x 100 = -28.24%
Formula
Percentage change = [(249 - 347) / 347] x 100
Subtract the new number by the original number
249 - 347 = -98
-98 ÷ 347 = -0.2824207492795389
-0.2824207492795389 x 100 = -28.24%