5.15% is the change from 447 to 470
Calculation steps:
[( 470 - 447 ) ÷ 447] x 100 = 5.15%
Formula
Percentage change = [(470 - 447) / 447] x 100
Subtract the new number by the original number
470 - 447 = 23
23 ÷ 447 = 0.05145413870246085
0.05145413870246085 x 100 = 5.15%