3.18% is the change from 471 to 486
Calculation steps:
[( 486 - 471 ) ÷ 471] x 100 = 3.18%
Formula
Percentage change = [(486 - 471) / 471] x 100
Subtract the new number by the original number
486 - 471 = 15
15 ÷ 471 = 0.03184713375796178
0.03184713375796178 x 100 = 3.18%