3.55% is the change from 845 to 875
Calculation steps:
[( 875 - 845 ) ÷ 845] x 100 = 3.55%
Formula
Percentage change = [(875 - 845) / 845] x 100
Subtract the new number by the original number
875 - 845 = 30
30 ÷ 845 = 0.03550295857988166
0.03550295857988166 x 100 = 3.55%