1575.51% is the change from 49 to 821
Calculation steps:
[( 821 - 49 ) ÷ 49] x 100 = 1575.51%
Formula
Percentage change = [(821 - 49) / 49] x 100
Subtract the new number by the original number
821 - 49 = 772
772 ÷ 49 = 15.755102040816327
15.755102040816327 x 100 = 1575.51%