869.39% is the change from 49 to 475
Calculation steps:
[( 475 - 49 ) ÷ 49] x 100 = 869.39%
Formula
Percentage change = [(475 - 49) / 49] x 100
Subtract the new number by the original number
475 - 49 = 426
426 ÷ 49 = 8.693877551020408
8.693877551020408 x 100 = 869.39%