-93.12% is the change from 436 to 30
Calculation steps:
[( 30 - 436 ) ÷ 436] x 100 = -93.12%
Formula
Percentage change = [(30 - 436) / 436] x 100
Subtract the new number by the original number
30 - 436 = -406
-406 ÷ 436 = -0.9311926605504587
-0.9311926605504587 x 100 = -93.12%