3.4% is the change from 470 to 486
Calculation steps:
[( 486 - 470 ) ÷ 470] x 100 = 3.4%
Formula
Percentage change = [(486 - 470) / 470] x 100
Subtract the new number by the original number
486 - 470 = 16
16 ÷ 470 = 0.03404255319148936
0.03404255319148936 x 100 = 3.4%