-95.08% is the change from 549 to 27
Calculation steps:
[( 27 - 549 ) ÷ 549] x 100 = -95.08%
Formula
Percentage change = [(27 - 549) / 549] x 100
Subtract the new number by the original number
27 - 549 = -522
-522 ÷ 549 = -0.9508196721311475
-0.9508196721311475 x 100 = -95.08%