-93.36% is the change from 286 to 19
Calculation steps:
[( 19 - 286 ) ÷ 286] x 100 = -93.36%
Formula
Percentage change = [(19 - 286) / 286] x 100
Subtract the new number by the original number
19 - 286 = -267
-267 ÷ 286 = -0.9335664335664335
-0.9335664335664335 x 100 = -93.36%