-30.94% is the change from 488 to 337
Calculation steps:
[( 337 - 488 ) ÷ 488] x 100 = -30.94%
Formula
Percentage change = [(337 - 488) / 488] x 100
Subtract the new number by the original number
337 - 488 = -151
-151 ÷ 488 = -0.3094262295081967
-0.3094262295081967 x 100 = -30.94%