-38.92% is the change from 388 to 237
Calculation steps:
[( 237 - 388 ) ÷ 388] x 100 = -38.92%
Formula
Percentage change = [(237 - 388) / 388] x 100
Subtract the new number by the original number
237 - 388 = -151
-151 ÷ 388 = -0.38917525773195877
-0.38917525773195877 x 100 = -38.92%