-57.76% is the change from 161 to 68
Calculation steps:
[( 68 - 161 ) ÷ 161] x 100 = -57.76%
Formula
Percentage change = [(68 - 161) / 161] x 100
Subtract the new number by the original number
68 - 161 = -93
-93 ÷ 161 = -0.577639751552795
-0.577639751552795 x 100 = -57.76%