-90.37% is the change from 436 to 42
Calculation steps:
[( 42 - 436 ) ÷ 436] x 100 = -90.37%
Formula
Percentage change = [(42 - 436) / 436] x 100
Subtract the new number by the original number
42 - 436 = -394
-394 ÷ 436 = -0.9036697247706422
-0.9036697247706422 x 100 = -90.37%