171.96% is the change from 321 to 873
Calculation steps:
[( 873 - 321 ) ÷ 321] x 100 = 171.96%
Formula
Percentage change = [(873 - 321) / 321] x 100
Subtract the new number by the original number
873 - 321 = 552
552 ÷ 321 = 1.719626168224299
1.719626168224299 x 100 = 171.96%