0.21% is the change from 477 to 478
Calculation steps:
[( 478 - 477 ) ÷ 477] x 100 = 0.21%
Formula
Percentage change = [(478 - 477) / 477] x 100
Subtract the new number by the original number
478 - 477 = 1
1 ÷ 477 = 0.0020964360587002098
0.0020964360587002098 x 100 = 0.21%