-48.34% is the change from 391 to 202
Calculation steps:
[( 202 - 391 ) ÷ 391] x 100 = -48.34%
Formula
Percentage change = [(202 - 391) / 391] x 100
Subtract the new number by the original number
202 - 391 = -189
-189 ÷ 391 = -0.4833759590792839
-0.4833759590792839 x 100 = -48.34%