-87.82% is the change from 829 to 101
Calculation steps:
[( 101 - 829 ) ÷ 829] x 100 = -87.82%
Formula
Percentage change = [(101 - 829) / 829] x 100
Subtract the new number by the original number
101 - 829 = -728
-728 ÷ 829 = -0.8781664656212304
-0.8781664656212304 x 100 = -87.82%