-86.5% is the change from 163 to 22
Calculation steps:
[( 22 - 163 ) ÷ 163] x 100 = -86.5%
Formula
Percentage change = [(22 - 163) / 163] x 100
Subtract the new number by the original number
22 - 163 = -141
-141 ÷ 163 = -0.8650306748466258
-0.8650306748466258 x 100 = -86.5%