48.18% is the change from 660 to 978
Calculation steps:
[( 978 - 660 ) ÷ 660] x 100 = 48.18%
Formula
Percentage change = [(978 - 660) / 660] x 100
Subtract the new number by the original number
978 - 660 = 318
318 ÷ 660 = 0.4818181818181818
0.4818181818181818 x 100 = 48.18%