-43.75% is the change from 544 to 306
Calculation steps:
[( 306 - 544 ) ÷ 544] x 100 = -43.75%
Formula
Percentage change = [(306 - 544) / 544] x 100
Subtract the new number by the original number
306 - 544 = -238
-238 ÷ 544 = -0.4375
-0.4375 x 100 = -43.75%