-47.62% is the change from 588 to 308
Calculation steps:
[( 308 - 588 ) ÷ 588] x 100 = -47.62%
Formula
Percentage change = [(308 - 588) / 588] x 100
Subtract the new number by the original number
308 - 588 = -280
-280 ÷ 588 = -0.47619047619047616
-0.47619047619047616 x 100 = -47.62%