-47.72% is the change from 834 to 436
Calculation steps:
[( 436 - 834 ) ÷ 834] x 100 = -47.72%
Formula
Percentage change = [(436 - 834) / 834] x 100
Subtract the new number by the original number
436 - 834 = -398
-398 ÷ 834 = -0.47721822541966424
-0.47721822541966424 x 100 = -47.72%