-57.56% is the change from 549 to 233
Calculation steps:
[( 233 - 549 ) ÷ 549] x 100 = -57.56%
Formula
Percentage change = [(233 - 549) / 549] x 100
Subtract the new number by the original number
233 - 549 = -316
-316 ÷ 549 = -0.575591985428051
-0.575591985428051 x 100 = -57.56%