-55.33% is the change from 488 to 218
Calculation steps:
[( 218 - 488 ) ÷ 488] x 100 = -55.33%
Formula
Percentage change = [(218 - 488) / 488] x 100
Subtract the new number by the original number
218 - 488 = -270
-270 ÷ 488 = -0.5532786885245902
-0.5532786885245902 x 100 = -55.33%