-58.49% is the change from 159 to 66
Calculation steps:
[( 66 - 159 ) ÷ 159] x 100 = -58.49%
Formula
Percentage change = [(66 - 159) / 159] x 100
Subtract the new number by the original number
66 - 159 = -93
-93 ÷ 159 = -0.5849056603773585
-0.5849056603773585 x 100 = -58.49%