1.94% is the change from 978 to 997
Calculation steps:
[( 997 - 978 ) ÷ 978] x 100 = 1.94%
Formula
Percentage change = [(997 - 978) / 978] x 100
Subtract the new number by the original number
997 - 978 = 19
19 ÷ 978 = 0.019427402862985686
0.019427402862985686 x 100 = 1.94%