-29.12% is the change from 388 to 275
Calculation steps:
[( 275 - 388 ) ÷ 388] x 100 = -29.12%
Formula
Percentage change = [(275 - 388) / 388] x 100
Subtract the new number by the original number
275 - 388 = -113
-113 ÷ 388 = -0.2912371134020619
-0.2912371134020619 x 100 = -29.12%