31.38% is the change from 666 to 875
Calculation steps:
[( 875 - 666 ) ÷ 666] x 100 = 31.38%
Formula
Percentage change = [(875 - 666) / 666] x 100
Subtract the new number by the original number
875 - 666 = 209
209 ÷ 666 = 0.3138138138138138
0.3138138138138138 x 100 = 31.38%