-90.95% is the change from 829 to 75
Calculation steps:
[( 75 - 829 ) ÷ 829] x 100 = -90.95%
Formula
Percentage change = [(75 - 829) / 829] x 100
Subtract the new number by the original number
75 - 829 = -754
-754 ÷ 829 = -0.9095295536791315
-0.9095295536791315 x 100 = -90.95%