219.7% is the change from 264 to 844
Calculation steps:
[( 844 - 264 ) ÷ 264] x 100 = 219.7%
Formula
Percentage change = [(844 - 264) / 264] x 100
Subtract the new number by the original number
844 - 264 = 580
580 ÷ 264 = 2.196969696969697
2.196969696969697 x 100 = 219.7%