-94.44% is the change from 342 to 19
Calculation steps:
[( 19 - 342 ) ÷ 342] x 100 = -94.44%
Formula
Percentage change = [(19 - 342) / 342] x 100
Subtract the new number by the original number
19 - 342 = -323
-323 ÷ 342 = -0.9444444444444444
-0.9444444444444444 x 100 = -94.44%