-93.97% is the change from 829 to 50
Calculation steps:
[( 50 - 829 ) ÷ 829] x 100 = -93.97%
Formula
Percentage change = [(50 - 829) / 829] x 100
Subtract the new number by the original number
50 - 829 = -779
-779 ÷ 829 = -0.9396863691194209
-0.9396863691194209 x 100 = -93.97%