488.78% is the change from 98 to 577
Calculation steps:
[( 577 - 98 ) ÷ 98] x 100 = 488.78%
Formula
Percentage change = [(577 - 98) / 98] x 100
Subtract the new number by the original number
577 - 98 = 479
479 ÷ 98 = 4.887755102040816
4.887755102040816 x 100 = 488.78%