-68.24% is the change from 488 to 155
Calculation steps:
[( 155 - 488 ) ÷ 488] x 100 = -68.24%
Formula
Percentage change = [(155 - 488) / 488] x 100
Subtract the new number by the original number
155 - 488 = -333
-333 ÷ 488 = -0.6823770491803278
-0.6823770491803278 x 100 = -68.24%