-24.53% is the change from 159 to 120
Calculation steps:
[( 120 - 159 ) ÷ 159] x 100 = -24.53%
Formula
Percentage change = [(120 - 159) / 159] x 100
Subtract the new number by the original number
120 - 159 = -39
-39 ÷ 159 = -0.24528301886792453
-0.24528301886792453 x 100 = -24.53%