-31.46% is the change from 178 to 122
Calculation steps:
[( 122 - 178 ) ÷ 178] x 100 = -31.46%
Formula
Percentage change = [(122 - 178) / 178] x 100
Subtract the new number by the original number
122 - 178 = -56
-56 ÷ 178 = -0.3146067415730337
-0.3146067415730337 x 100 = -31.46%