156.07% is the change from 321 to 822
Calculation steps:
[( 822 - 321 ) ÷ 321] x 100 = 156.07%
Formula
Percentage change = [(822 - 321) / 321] x 100
Subtract the new number by the original number
822 - 321 = 501
501 ÷ 321 = 1.560747663551402
1.560747663551402 x 100 = 156.07%