239.58% is the change from 288 to 978
Calculation steps:
[( 978 - 288 ) ÷ 288] x 100 = 239.58%
Formula
Percentage change = [(978 - 288) / 288] x 100
Subtract the new number by the original number
978 - 288 = 690
690 ÷ 288 = 2.3958333333333335
2.3958333333333335 x 100 = 239.58%