1558% is the change from 50 to 829
Calculation steps:
[( 829 - 50 ) ÷ 50] x 100 = 1558%
Formula
Percentage change = [(829 - 50) / 50] x 100
Subtract the new number by the original number
829 - 50 = 779
779 ÷ 50 = 15.58
15.58 x 100 = 1558%
Example