-94.01% is the change from 317 to 19
Calculation steps:
[( 19 - 317 ) ÷ 317] x 100 = -94.01%
Formula
Percentage change = [(19 - 317) / 317] x 100
Subtract the new number by the original number
19 - 317 = -298
-298 ÷ 317 = -0.9400630914826499
-0.9400630914826499 x 100 = -94.01%