344.55% is the change from 220 to 978
Calculation steps:
[( 978 - 220 ) ÷ 220] x 100 = 344.55%
Formula
Percentage change = [(978 - 220) / 220] x 100
Subtract the new number by the original number
978 - 220 = 758
758 ÷ 220 = 3.4454545454545453
3.4454545454545453 x 100 = 344.55%