854% is the change from 50 to 477
Calculation steps:
[( 477 - 50 ) ÷ 50] x 100 = 854%
Formula
Percentage change = [(477 - 50) / 50] x 100
Subtract the new number by the original number
477 - 50 = 427
427 ÷ 50 = 8.54
8.54 x 100 = 854%
Example