284.21% is the change from 247 to 949
Calculation steps:
[( 949 - 247 ) ÷ 247] x 100 = 284.21%
Formula
Percentage change = [(949 - 247) / 247] x 100
Subtract the new number by the original number
949 - 247 = 702
702 ÷ 247 = 2.8421052631578947
2.8421052631578947 x 100 = 284.21%