165.11% is the change from 321 to 851
Calculation steps:
[( 851 - 321 ) ÷ 321] x 100 = 165.11%
Formula
Percentage change = [(851 - 321) / 321] x 100
Subtract the new number by the original number
851 - 321 = 530
530 ÷ 321 = 1.6510903426791277
1.6510903426791277 x 100 = 165.11%