-92.02% is the change from 163 to 13
Calculation steps:
[( 13 - 163 ) ÷ 163] x 100 = -92.02%
Formula
Percentage change = [(13 - 163) / 163] x 100
Subtract the new number by the original number
13 - 163 = -150
-150 ÷ 163 = -0.9202453987730062
-0.9202453987730062 x 100 = -92.02%