-8.18% is the change from 159 to 146
Calculation steps:
[( 146 - 159 ) ÷ 159] x 100 = -8.18%
Formula
Percentage change = [(146 - 159) / 159] x 100
Subtract the new number by the original number
146 - 159 = -13
-13 ÷ 159 = -0.08176100628930817
-0.08176100628930817 x 100 = -8.18%