284.74% is the change from 249 to 958
Calculation steps:
[( 958 - 249 ) ÷ 249] x 100 = 284.74%
Formula
Percentage change = [(958 - 249) / 249] x 100
Subtract the new number by the original number
958 - 249 = 709
709 ÷ 249 = 2.8473895582329316
2.8473895582329316 x 100 = 284.74%