-94.6% is the change from 834 to 45
Calculation steps:
[( 45 - 834 ) ÷ 834] x 100 = -94.6%
Formula
Percentage change = [(45 - 834) / 834] x 100
Subtract the new number by the original number
45 - 834 = -789
-789 ÷ 834 = -0.9460431654676259
-0.9460431654676259 x 100 = -94.6%