-77.68% is the change from 829 to 185
Calculation steps:
[( 185 - 829 ) ÷ 829] x 100 = -77.68%
Formula
Percentage change = [(185 - 829) / 829] x 100
Subtract the new number by the original number
185 - 829 = -644
-644 ÷ 829 = -0.7768395657418576
-0.7768395657418576 x 100 = -77.68%