-66.18% is the change from 136 to 46
Calculation steps:
[( 46 - 136 ) ÷ 136] x 100 = -66.18%
Formula
Percentage change = [(46 - 136) / 136] x 100
Subtract the new number by the original number
46 - 136 = -90
-90 ÷ 136 = -0.6617647058823529
-0.6617647058823529 x 100 = -66.18%