-91.13% is the change from 834 to 74
Calculation steps:
[( 74 - 834 ) ÷ 834] x 100 = -91.13%
Formula
Percentage change = [(74 - 834) / 834] x 100
Subtract the new number by the original number
74 - 834 = -760
-760 ÷ 834 = -0.9112709832134293
-0.9112709832134293 x 100 = -91.13%