323.38% is the change from 231 to 978
Calculation steps:
[( 978 - 231 ) ÷ 231] x 100 = 323.38%
Formula
Percentage change = [(978 - 231) / 231] x 100
Subtract the new number by the original number
978 - 231 = 747
747 ÷ 231 = 3.2337662337662336
3.2337662337662336 x 100 = 323.38%