-92.72% is the change from 261 to 19
Calculation steps:
[( 19 - 261 ) ÷ 261] x 100 = -92.72%
Formula
Percentage change = [(19 - 261) / 261] x 100
Subtract the new number by the original number
19 - 261 = -242
-242 ÷ 261 = -0.9272030651340997
-0.9272030651340997 x 100 = -92.72%