21.17% is the change from 477 to 578
Calculation steps:
[( 578 - 477 ) ÷ 477] x 100 = 21.17%
Formula
Percentage change = [(578 - 477) / 477] x 100
Subtract the new number by the original number
578 - 477 = 101
101 ÷ 477 = 0.21174004192872117
0.21174004192872117 x 100 = 21.17%