209.35% is the change from 321 to 993
Calculation steps:
[( 993 - 321 ) ÷ 321] x 100 = 209.35%
Formula
Percentage change = [(993 - 321) / 321] x 100
Subtract the new number by the original number
993 - 321 = 672
672 ÷ 321 = 2.0934579439252334
2.0934579439252334 x 100 = 209.35%