19.5% is the change from 477 to 570
Calculation steps:
[( 570 - 477 ) ÷ 477] x 100 = 19.5%
Formula
Percentage change = [(570 - 477) / 477] x 100
Subtract the new number by the original number
570 - 477 = 93
93 ÷ 477 = 0.1949685534591195
0.1949685534591195 x 100 = 19.5%