-57.19% is the change from 549 to 235
Calculation steps:
[( 235 - 549 ) ÷ 549] x 100 = -57.19%
Formula
Percentage change = [(235 - 549) / 549] x 100
Subtract the new number by the original number
235 - 549 = -314
-314 ÷ 549 = -0.5719489981785064
-0.5719489981785064 x 100 = -57.19%