-48.69% is the change from 419 to 215
Calculation steps:
[( 215 - 419 ) ÷ 419] x 100 = -48.69%
Formula
Percentage change = [(215 - 419) / 419] x 100
Subtract the new number by the original number
215 - 419 = -204
-204 ÷ 419 = -0.48687350835322196
-0.48687350835322196 x 100 = -48.69%