209.03% is the change from 321 to 992
Calculation steps:
[( 992 - 321 ) ÷ 321] x 100 = 209.03%
Formula
Percentage change = [(992 - 321) / 321] x 100
Subtract the new number by the original number
992 - 321 = 671
671 ÷ 321 = 2.0903426791277258
2.0903426791277258 x 100 = 209.03%