-36.07% is the change from 122 to 78
Calculation steps:
[( 78 - 122 ) ÷ 122] x 100 = -36.07%
Formula
Percentage change = [(78 - 122) / 122] x 100
Subtract the new number by the original number
78 - 122 = -44
-44 ÷ 122 = -0.36065573770491804
-0.36065573770491804 x 100 = -36.07%