2.04% is the change from 978 to 998
Calculation steps:
[( 998 - 978 ) ÷ 978] x 100 = 2.04%
Formula
Percentage change = [(998 - 978) / 978] x 100
Subtract the new number by the original number
998 - 978 = 20
20 ÷ 978 = 0.02044989775051125
0.02044989775051125 x 100 = 2.04%