-31.56% is the change from 488 to 334
Calculation steps:
[( 334 - 488 ) ÷ 488] x 100 = -31.56%
Formula
Percentage change = [(334 - 488) / 488] x 100
Subtract the new number by the original number
334 - 488 = -154
-154 ÷ 488 = -0.3155737704918033
-0.3155737704918033 x 100 = -31.56%