420.62% is the change from 97 to 505
Calculation steps:
[( 505 - 97 ) ÷ 97] x 100 = 420.62%
Formula
Percentage change = [(505 - 97) / 97] x 100
Subtract the new number by the original number
505 - 97 = 408
408 ÷ 97 = 4.206185567010309
4.206185567010309 x 100 = 420.62%