-28.89% is the change from 488 to 347
Calculation steps:
[( 347 - 488 ) ÷ 488] x 100 = -28.89%
Formula
Percentage change = [(347 - 488) / 488] x 100
Subtract the new number by the original number
347 - 488 = -141
-141 ÷ 488 = -0.2889344262295082
-0.2889344262295082 x 100 = -28.89%