-91.25% is the change from 834 to 73
Calculation steps:
[( 73 - 834 ) ÷ 834] x 100 = -91.25%
Formula
Percentage change = [(73 - 834) / 834] x 100
Subtract the new number by the original number
73 - 834 = -761
-761 ÷ 834 = -0.9124700239808153
-0.9124700239808153 x 100 = -91.25%