583.78% is the change from 74 to 506
Calculation steps:
[( 506 - 74 ) ÷ 74] x 100 = 583.78%
Formula
Percentage change = [(506 - 74) / 74] x 100
Subtract the new number by the original number
506 - 74 = 432
432 ÷ 74 = 5.837837837837838
5.837837837837838 x 100 = 583.78%