343.3% is the change from 224 to 993
Calculation steps:
[( 993 - 224 ) ÷ 224] x 100 = 343.3%
Formula
Percentage change = [(993 - 224) / 224] x 100
Subtract the new number by the original number
993 - 224 = 769
769 ÷ 224 = 3.4330357142857144
3.4330357142857144 x 100 = 343.3%