27.48% is the change from 666 to 849
Calculation steps:
[( 849 - 666 ) ÷ 666] x 100 = 27.48%
Formula
Percentage change = [(849 - 666) / 666] x 100
Subtract the new number by the original number
849 - 666 = 183
183 ÷ 666 = 0.2747747747747748
0.2747747747747748 x 100 = 27.48%