-87.11% is the change from 419 to 54
Calculation steps:
[( 54 - 419 ) ÷ 419] x 100 = -87.11%
Formula
Percentage change = [(54 - 419) / 419] x 100
Subtract the new number by the original number
54 - 419 = -365
-365 ÷ 419 = -0.8711217183770883
-0.8711217183770883 x 100 = -87.11%