-68.52% is the change from 829 to 261
Calculation steps:
[( 261 - 829 ) ÷ 829] x 100 = -68.52%
Formula
Percentage change = [(261 - 829) / 829] x 100
Subtract the new number by the original number
261 - 829 = -568
-568 ÷ 829 = -0.6851628468033776
-0.6851628468033776 x 100 = -68.52%