-41.51% is the change from 159 to 93
Calculation steps:
[( 93 - 159 ) ÷ 159] x 100 = -41.51%
Formula
Percentage change = [(93 - 159) / 159] x 100
Subtract the new number by the original number
93 - 159 = -66
-66 ÷ 159 = -0.41509433962264153
-0.41509433962264153 x 100 = -41.51%