276.79% is the change from 224 to 844
Calculation steps:
[( 844 - 224 ) ÷ 224] x 100 = 276.79%
Formula
Percentage change = [(844 - 224) / 224] x 100
Subtract the new number by the original number
844 - 224 = 620
620 ÷ 224 = 2.767857142857143
2.767857142857143 x 100 = 276.79%