200% is the change from 326 to 978
Calculation steps:
[( 978 - 326 ) ÷ 326] x 100 = 200%
Formula
Percentage change = [(978 - 326) / 326] x 100
Subtract the new number by the original number
978 - 326 = 652
652 ÷ 326 = 2
2 x 100 = 200%
Example