-86.6% is the change from 388 to 52
Calculation steps:
[( 52 - 388 ) ÷ 388] x 100 = -86.6%
Formula
Percentage change = [(52 - 388) / 388] x 100
Subtract the new number by the original number
52 - 388 = -336
-336 ÷ 388 = -0.865979381443299
-0.865979381443299 x 100 = -86.6%