8.61% is the change from 801 to 870
Calculation steps:
[( 870 - 801 ) ÷ 801] x 100 = 8.61%
Formula
Percentage change = [(870 - 801) / 801] x 100
Subtract the new number by the original number
870 - 801 = 69
69 ÷ 801 = 0.08614232209737828
0.08614232209737828 x 100 = 8.61%