591.75% is the change from 97 to 671
Calculation steps:
[( 671 - 97 ) ÷ 97] x 100 = 591.75%
Formula
Percentage change = [(671 - 97) / 97] x 100
Subtract the new number by the original number
671 - 97 = 574
574 ÷ 97 = 5.917525773195877
5.917525773195877 x 100 = 591.75%