-48.14% is the change from 590 to 306
Calculation steps:
[( 306 - 590 ) ÷ 590] x 100 = -48.14%
Formula
Percentage change = [(306 - 590) / 590] x 100
Subtract the new number by the original number
306 - 590 = -284
-284 ÷ 590 = -0.48135593220338985
-0.48135593220338985 x 100 = -48.14%