-87.33% is the change from 434 to 55
Calculation steps:
[( 55 - 434 ) ÷ 434] x 100 = -87.33%
Formula
Percentage change = [(55 - 434) / 434] x 100
Subtract the new number by the original number
55 - 434 = -379
-379 ÷ 434 = -0.8732718894009217
-0.8732718894009217 x 100 = -87.33%