-90.3% is the change from 433 to 42
Calculation steps:
[( 42 - 433 ) ÷ 433] x 100 = -90.3%
Formula
Percentage change = [(42 - 433) / 433] x 100
Subtract the new number by the original number
42 - 433 = -391
-391 ÷ 433 = -0.9030023094688222
-0.9030023094688222 x 100 = -90.3%