-64.78% is the change from 159 to 56
Calculation steps:
[( 56 - 159 ) ÷ 159] x 100 = -64.78%
Formula
Percentage change = [(56 - 159) / 159] x 100
Subtract the new number by the original number
56 - 159 = -103
-103 ÷ 159 = -0.6477987421383647
-0.6477987421383647 x 100 = -64.78%