24.17% is the change from 666 to 827
Calculation steps:
[( 827 - 666 ) ÷ 666] x 100 = 24.17%
Formula
Percentage change = [(827 - 666) / 666] x 100
Subtract the new number by the original number
827 - 666 = 161
161 ÷ 666 = 0.24174174174174173
0.24174174174174173 x 100 = 24.17%