-94.48% is the change from 344 to 19
Calculation steps:
[( 19 - 344 ) ÷ 344] x 100 = -94.48%
Formula
Percentage change = [(19 - 344) / 344] x 100
Subtract the new number by the original number
19 - 344 = -325
-325 ÷ 344 = -0.9447674418604651
-0.9447674418604651 x 100 = -94.48%