211.53% is the change from 321 to 1000
Calculation steps:
[( 1000 - 321 ) ÷ 321] x 100 = 211.53%
Formula
Percentage change = [(1000 - 321) / 321] x 100
Subtract the new number by the original number
1000 - 321 = 679
679 ÷ 321 = 2.115264797507788
2.115264797507788 x 100 = 211.53%