771.43% is the change from 49 to 427
Calculation steps:
[( 427 - 49 ) ÷ 49] x 100 = 771.43%
Formula
Percentage change = [(427 - 49) / 49] x 100
Subtract the new number by the original number
427 - 49 = 378
378 ÷ 49 = 7.714285714285714
7.714285714285714 x 100 = 771.43%