-62.91% is the change from 399 to 148
Calculation steps:
[( 148 - 399 ) ÷ 399] x 100 = -62.91%
Formula
Percentage change = [(148 - 399) / 399] x 100
Subtract the new number by the original number
148 - 399 = -251
-251 ÷ 399 = -0.6290726817042607
-0.6290726817042607 x 100 = -62.91%