492.94% is the change from 85 to 504
Calculation steps:
[( 504 - 85 ) ÷ 85] x 100 = 492.94%
Formula
Percentage change = [(504 - 85) / 85] x 100
Subtract the new number by the original number
504 - 85 = 419
419 ÷ 85 = 4.929411764705883
4.929411764705883 x 100 = 492.94%