-38.8% is the change from 652 to 399
Calculation steps:
[( 399 - 652 ) ÷ 652] x 100 = -38.8%
Formula
Percentage change = [(399 - 652) / 652] x 100
Subtract the new number by the original number
399 - 652 = -253
-253 ÷ 652 = -0.3880368098159509
-0.3880368098159509 x 100 = -38.8%