-62.92% is the change from 391 to 145
Calculation steps:
[( 145 - 391 ) ÷ 391] x 100 = -62.92%
Formula
Percentage change = [(145 - 391) / 391] x 100
Subtract the new number by the original number
145 - 391 = -246
-246 ÷ 391 = -0.629156010230179
-0.629156010230179 x 100 = -62.92%