27.03% is the change from 666 to 846
Calculation steps:
[( 846 - 666 ) ÷ 666] x 100 = 27.03%
Formula
Percentage change = [(846 - 666) / 666] x 100
Subtract the new number by the original number
846 - 666 = 180
180 ÷ 666 = 0.2702702702702703
0.2702702702702703 x 100 = 27.03%