18.12% is the change from 828 to 978
Calculation steps:
[( 978 - 828 ) ÷ 828] x 100 = 18.12%
Formula
Percentage change = [(978 - 828) / 828] x 100
Subtract the new number by the original number
978 - 828 = 150
150 ÷ 828 = 0.18115942028985507
0.18115942028985507 x 100 = 18.12%