46.85% is the change from 666 to 978
Calculation steps:
[( 978 - 666 ) ÷ 666] x 100 = 46.85%
Formula
Percentage change = [(978 - 666) / 666] x 100
Subtract the new number by the original number
978 - 666 = 312
312 ÷ 666 = 0.46846846846846846
0.46846846846846846 x 100 = 46.85%