-54.14% is the change from 266 to 122
Calculation steps:
[( 122 - 266 ) ÷ 266] x 100 = -54.14%
Formula
Percentage change = [(122 - 266) / 266] x 100
Subtract the new number by the original number
122 - 266 = -144
-144 ÷ 266 = -0.5413533834586466
-0.5413533834586466 x 100 = -54.14%