-45.56% is the change from 834 to 454
Calculation steps:
[( 454 - 834 ) ÷ 834] x 100 = -45.56%
Formula
Percentage change = [(454 - 834) / 834] x 100
Subtract the new number by the original number
454 - 834 = -380
-380 ÷ 834 = -0.4556354916067146
-0.4556354916067146 x 100 = -45.56%