393.94% is the change from 198 to 978
Calculation steps:
[( 978 - 198 ) ÷ 198] x 100 = 393.94%
Formula
Percentage change = [(978 - 198) / 198] x 100
Subtract the new number by the original number
978 - 198 = 780
780 ÷ 198 = 3.9393939393939394
3.9393939393939394 x 100 = 393.94%