-95.31% is the change from 405 to 19
Calculation steps:
[( 19 - 405 ) ÷ 405] x 100 = -95.31%
Formula
Percentage change = [(19 - 405) / 405] x 100
Subtract the new number by the original number
19 - 405 = -386
-386 ÷ 405 = -0.9530864197530864
-0.9530864197530864 x 100 = -95.31%