-95.82% is the change from 455 to 19
Calculation steps:
[( 19 - 455 ) ÷ 455] x 100 = -95.82%
Formula
Percentage change = [(19 - 455) / 455] x 100
Subtract the new number by the original number
19 - 455 = -436
-436 ÷ 455 = -0.9582417582417583
-0.9582417582417583 x 100 = -95.82%