180.37% is the change from 321 to 900
Calculation steps:
[( 900 - 321 ) ÷ 321] x 100 = 180.37%
Formula
Percentage change = [(900 - 321) / 321] x 100
Subtract the new number by the original number
900 - 321 = 579
579 ÷ 321 = 1.8037383177570094
1.8037383177570094 x 100 = 180.37%