880.39% is the change from 51 to 500
Calculation steps:
[( 500 - 51 ) ÷ 51] x 100 = 880.39%
Formula
Percentage change = [(500 - 51) / 51] x 100
Subtract the new number by the original number
500 - 51 = 449
449 ÷ 51 = 8.803921568627452
8.803921568627452 x 100 = 880.39%