313% is the change from 223 to 921
Calculation steps:
[( 921 - 223 ) ÷ 223] x 100 = 313%
Formula
Percentage change = [(921 - 223) / 223] x 100
Subtract the new number by the original number
921 - 223 = 698
698 ÷ 223 = 3.1300448430493275
3.1300448430493275 x 100 = 313%