-93.38% is the change from 287 to 19
Calculation steps:
[( 19 - 287 ) ÷ 287] x 100 = -93.38%
Formula
Percentage change = [(19 - 287) / 287] x 100
Subtract the new number by the original number
19 - 287 = -268
-268 ÷ 287 = -0.9337979094076655
-0.9337979094076655 x 100 = -93.38%