-83.84% is the change from 829 to 134
Calculation steps:
[( 134 - 829 ) ÷ 829] x 100 = -83.84%
Formula
Percentage change = [(134 - 829) / 829] x 100
Subtract the new number by the original number
134 - 829 = -695
-695 ÷ 829 = -0.8383594692400482
-0.8383594692400482 x 100 = -83.84%