-96.03% is the change from 856 to 34
Calculation steps:
[( 34 - 856 ) ÷ 856] x 100 = -96.03%
Formula
Percentage change = [(34 - 856) / 856] x 100
Subtract the new number by the original number
34 - 856 = -822
-822 ÷ 856 = -0.9602803738317757
-0.9602803738317757 x 100 = -96.03%