391.75% is the change from 97 to 477
Calculation steps:
[( 477 - 97 ) ÷ 97] x 100 = 391.75%
Formula
Percentage change = [(477 - 97) / 97] x 100
Subtract the new number by the original number
477 - 97 = 380
380 ÷ 97 = 3.917525773195876
3.917525773195876 x 100 = 391.75%