-30.06% is the change from 356 to 249
Calculation steps:
[( 249 - 356 ) ÷ 356] x 100 = -30.06%
Formula
Percentage change = [(249 - 356) / 356] x 100
Subtract the new number by the original number
249 - 356 = -107
-107 ÷ 356 = -0.300561797752809
-0.300561797752809 x 100 = -30.06%