-92.91% is the change from 268 to 19
Calculation steps:
[( 19 - 268 ) ÷ 268] x 100 = -92.91%
Formula
Percentage change = [(19 - 268) / 268] x 100
Subtract the new number by the original number
19 - 268 = -249
-249 ÷ 268 = -0.9291044776119403
-0.9291044776119403 x 100 = -92.91%