-95.05% is the change from 849 to 42
Calculation steps:
[( 42 - 849 ) ÷ 849] x 100 = -95.05%
Formula
Percentage change = [(42 - 849) / 849] x 100
Subtract the new number by the original number
42 - 849 = -807
-807 ÷ 849 = -0.950530035335689
-0.950530035335689 x 100 = -95.05%