-87.3% is the change from 433 to 55
Calculation steps:
[( 55 - 433 ) ÷ 433] x 100 = -87.3%
Formula
Percentage change = [(55 - 433) / 433] x 100
Subtract the new number by the original number
55 - 433 = -378
-378 ÷ 433 = -0.8729792147806005
-0.8729792147806005 x 100 = -87.3%