-45.1% is the change from 388 to 213
Calculation steps:
[( 213 - 388 ) ÷ 388] x 100 = -45.1%
Formula
Percentage change = [(213 - 388) / 388] x 100
Subtract the new number by the original number
213 - 388 = -175
-175 ÷ 388 = -0.45103092783505155
-0.45103092783505155 x 100 = -45.1%