-68.8% is the change from 391 to 122
Calculation steps:
[( 122 - 391 ) ÷ 391] x 100 = -68.8%
Formula
Percentage change = [(122 - 391) / 391] x 100
Subtract the new number by the original number
122 - 391 = -269
-269 ÷ 391 = -0.6879795396419437
-0.6879795396419437 x 100 = -68.8%