-95.81% is the change from 549 to 23
Calculation steps:
[( 23 - 549 ) ÷ 549] x 100 = -95.81%
Formula
Percentage change = [(23 - 549) / 549] x 100
Subtract the new number by the original number
23 - 549 = -526
-526 ÷ 549 = -0.9581056466302368
-0.9581056466302368 x 100 = -95.81%