161.99% is the change from 321 to 841
Calculation steps:
[( 841 - 321 ) ÷ 321] x 100 = 161.99%
Formula
Percentage change = [(841 - 321) / 321] x 100
Subtract the new number by the original number
841 - 321 = 520
520 ÷ 321 = 1.6199376947040498
1.6199376947040498 x 100 = 161.99%