-56.6% is the change from 159 to 69
Calculation steps:
[( 69 - 159 ) ÷ 159] x 100 = -56.6%
Formula
Percentage change = [(69 - 159) / 159] x 100
Subtract the new number by the original number
69 - 159 = -90
-90 ÷ 159 = -0.5660377358490566
-0.5660377358490566 x 100 = -56.6%