-92.07% is the change from 164 to 13
Calculation steps:
[( 13 - 164 ) ÷ 164] x 100 = -92.07%
Formula
Percentage change = [(13 - 164) / 164] x 100
Subtract the new number by the original number
13 - 164 = -151
-151 ÷ 164 = -0.9207317073170732
-0.9207317073170732 x 100 = -92.07%