558.44% is the change from 77 to 507
Calculation steps:
[( 507 - 77 ) ÷ 77] x 100 = 558.44%
Formula
Percentage change = [(507 - 77) / 77] x 100
Subtract the new number by the original number
507 - 77 = 430
430 ÷ 77 = 5.584415584415584
5.584415584415584 x 100 = 558.44%