-86.87% is the change from 419 to 55
Calculation steps:
[( 55 - 419 ) ÷ 419] x 100 = -86.87%
Formula
Percentage change = [(55 - 419) / 419] x 100
Subtract the new number by the original number
55 - 419 = -364
-364 ÷ 419 = -0.8687350835322196
-0.8687350835322196 x 100 = -86.87%