831.37% is the change from 51 to 475
Calculation steps:
[( 475 - 51 ) ÷ 51] x 100 = 831.37%
Formula
Percentage change = [(475 - 51) / 51] x 100
Subtract the new number by the original number
475 - 51 = 424
424 ÷ 51 = 8.313725490196079
8.313725490196079 x 100 = 831.37%