-62.15% is the change from 391 to 148
Calculation steps:
[( 148 - 391 ) ÷ 391] x 100 = -62.15%
Formula
Percentage change = [(148 - 391) / 391] x 100
Subtract the new number by the original number
148 - 391 = -243
-243 ÷ 391 = -0.6214833759590793
-0.6214833759590793 x 100 = -62.15%