-95.7% is the change from 419 to 18
Calculation steps:
[( 18 - 419 ) ÷ 419] x 100 = -95.7%
Formula
Percentage change = [(18 - 419) / 419] x 100
Subtract the new number by the original number
18 - 419 = -401
-401 ÷ 419 = -0.9570405727923628
-0.9570405727923628 x 100 = -95.7%