-94.38% is the change from 160 to 9
Calculation steps:
[( 9 - 160 ) ÷ 160] x 100 = -94.38%
Formula
Percentage change = [(9 - 160) / 160] x 100
Subtract the new number by the original number
9 - 160 = -151
-151 ÷ 160 = -0.94375
-0.94375 x 100 = -94.38%