204.67% is the change from 321 to 978
Calculation steps:
[( 978 - 321 ) ÷ 321] x 100 = 204.67%
Formula
Percentage change = [(978 - 321) / 321] x 100
Subtract the new number by the original number
978 - 321 = 657
657 ÷ 321 = 2.046728971962617
2.046728971962617 x 100 = 204.67%