-63.41% is the change from 399 to 146
Calculation steps:
[( 146 - 399 ) ÷ 399] x 100 = -63.41%
Formula
Percentage change = [(146 - 399) / 399] x 100
Subtract the new number by the original number
146 - 399 = -253
-253 ÷ 399 = -0.6340852130325815
-0.6340852130325815 x 100 = -63.41%