-20.29% is the change from 488 to 389
Calculation steps:
[( 389 - 488 ) ÷ 488] x 100 = -20.29%
Formula
Percentage change = [(389 - 488) / 488] x 100
Subtract the new number by the original number
389 - 488 = -99
-99 ÷ 488 = -0.2028688524590164
-0.2028688524590164 x 100 = -20.29%