-42.18% is the change from 211 to 122
Calculation steps:
[( 122 - 211 ) ÷ 211] x 100 = -42.18%
Formula
Percentage change = [(122 - 211) / 211] x 100
Subtract the new number by the original number
122 - 211 = -89
-89 ÷ 211 = -0.4218009478672986
-0.4218009478672986 x 100 = -42.18%