-44.7% is the change from 557 to 308
Calculation steps:
[( 308 - 557 ) ÷ 557] x 100 = -44.7%
Formula
Percentage change = [(308 - 557) / 557] x 100
Subtract the new number by the original number
308 - 557 = -249
-249 ÷ 557 = -0.44703770197486536
-0.44703770197486536 x 100 = -44.7%