-94.17% is the change from 326 to 19
Calculation steps:
[( 19 - 326 ) ÷ 326] x 100 = -94.17%
Formula
Percentage change = [(19 - 326) / 326] x 100
Subtract the new number by the original number
19 - 326 = -307
-307 ÷ 326 = -0.941717791411043
-0.941717791411043 x 100 = -94.17%