540.21% is the change from 97 to 621
Calculation steps:
[( 621 - 97 ) ÷ 97] x 100 = 540.21%
Formula
Percentage change = [(621 - 97) / 97] x 100
Subtract the new number by the original number
621 - 97 = 524
524 ÷ 97 = 5.402061855670103
5.402061855670103 x 100 = 540.21%