-77.32% is the change from 829 to 188
Calculation steps:
[( 188 - 829 ) ÷ 829] x 100 = -77.32%
Formula
Percentage change = [(188 - 829) / 829] x 100
Subtract the new number by the original number
188 - 829 = -641
-641 ÷ 829 = -0.773220747889023
-0.773220747889023 x 100 = -77.32%