556.63% is the change from 83 to 545
Calculation steps:
[( 545 - 83 ) ÷ 83] x 100 = 556.63%
Formula
Percentage change = [(545 - 83) / 83] x 100
Subtract the new number by the original number
545 - 83 = 462
462 ÷ 83 = 5.566265060240964
5.566265060240964 x 100 = 556.63%