-92.37% is the change from 249 to 19
Calculation steps:
[( 19 - 249 ) ÷ 249] x 100 = -92.37%
Formula
Percentage change = [(19 - 249) / 249] x 100
Subtract the new number by the original number
19 - 249 = -230
-230 ÷ 249 = -0.9236947791164659
-0.9236947791164659 x 100 = -92.37%