-91.85% is the change from 834 to 68
Calculation steps:
[( 68 - 834 ) ÷ 834] x 100 = -91.85%
Formula
Percentage change = [(68 - 834) / 834] x 100
Subtract the new number by the original number
68 - 834 = -766
-766 ÷ 834 = -0.9184652278177458
-0.9184652278177458 x 100 = -91.85%