3.49% is the change from 860 to 890
Calculation steps:
[( 890 - 860 ) ÷ 860] x 100 = 3.49%
Formula
Percentage change = [(890 - 860) / 860] x 100
Subtract the new number by the original number
890 - 860 = 30
30 ÷ 860 = 0.03488372093023256
0.03488372093023256 x 100 = 3.49%