322.48% is the change from 218 to 921
Calculation steps:
[( 921 - 218 ) ÷ 218] x 100 = 322.48%
Formula
Percentage change = [(921 - 218) / 218] x 100
Subtract the new number by the original number
921 - 218 = 703
703 ÷ 218 = 3.2247706422018347
3.2247706422018347 x 100 = 322.48%