278.13% is the change from 224 to 847
Calculation steps:
[( 847 - 224 ) ÷ 224] x 100 = 278.13%
Formula
Percentage change = [(847 - 224) / 224] x 100
Subtract the new number by the original number
847 - 224 = 623
623 ÷ 224 = 2.78125
2.78125 x 100 = 278.13%