-55.97% is the change from 159 to 70
Calculation steps:
[( 70 - 159 ) ÷ 159] x 100 = -55.97%
Formula
Percentage change = [(70 - 159) / 159] x 100
Subtract the new number by the original number
70 - 159 = -89
-89 ÷ 159 = -0.559748427672956
-0.559748427672956 x 100 = -55.97%