540.51% is the change from 79 to 506
Calculation steps:
[( 506 - 79 ) ÷ 79] x 100 = 540.51%
Formula
Percentage change = [(506 - 79) / 79] x 100
Subtract the new number by the original number
506 - 79 = 427
427 ÷ 79 = 5.405063291139241
5.405063291139241 x 100 = 540.51%