591.89% is the change from 74 to 512
Calculation steps:
[( 512 - 74 ) ÷ 74] x 100 = 591.89%
Formula
Percentage change = [(512 - 74) / 74] x 100
Subtract the new number by the original number
512 - 74 = 438
438 ÷ 74 = 5.918918918918919
5.918918918918919 x 100 = 591.89%