287.44% is the change from 223 to 864
Calculation steps:
[( 864 - 223 ) ÷ 223] x 100 = 287.44%
Formula
Percentage change = [(864 - 223) / 223] x 100
Subtract the new number by the original number
864 - 223 = 641
641 ÷ 223 = 2.874439461883408
2.874439461883408 x 100 = 287.44%