-94.14% is the change from 324 to 19
Calculation steps:
[( 19 - 324 ) ÷ 324] x 100 = -94.14%
Formula
Percentage change = [(19 - 324) / 324] x 100
Subtract the new number by the original number
19 - 324 = -305
-305 ÷ 324 = -0.941358024691358
-0.941358024691358 x 100 = -94.14%