-92.81% is the change from 292 to 21
Calculation steps:
[( 21 - 292 ) ÷ 292] x 100 = -92.81%
Formula
Percentage change = [(21 - 292) / 292] x 100
Subtract the new number by the original number
21 - 292 = -271
-271 ÷ 292 = -0.928082191780822
-0.928082191780822 x 100 = -92.81%