595.18% is the change from 83 to 577
Calculation steps:
[( 577 - 83 ) ÷ 83] x 100 = 595.18%
Formula
Percentage change = [(577 - 83) / 83] x 100
Subtract the new number by the original number
577 - 83 = 494
494 ÷ 83 = 5.951807228915663
5.951807228915663 x 100 = 595.18%