-3.35% is the change from 388 to 375
Calculation steps:
[( 375 - 388 ) ÷ 388] x 100 = -3.35%
Formula
Percentage change = [(375 - 388) / 388] x 100
Subtract the new number by the original number
375 - 388 = -13
-13 ÷ 388 = -0.03350515463917526
-0.03350515463917526 x 100 = -3.35%