-75.03% is the change from 829 to 207
Calculation steps:
[( 207 - 829 ) ÷ 829] x 100 = -75.03%
Formula
Percentage change = [(207 - 829) / 829] x 100
Subtract the new number by the original number
207 - 829 = -622
-622 ÷ 829 = -0.7503015681544029
-0.7503015681544029 x 100 = -75.03%