-40.37% is the change from 488 to 291
Calculation steps:
[( 291 - 488 ) ÷ 488] x 100 = -40.37%
Formula
Percentage change = [(291 - 488) / 488] x 100
Subtract the new number by the original number
291 - 488 = -197
-197 ÷ 488 = -0.4036885245901639
-0.4036885245901639 x 100 = -40.37%