-71.02% is the change from 566 to 164
Calculation steps:
[( 164 - 566 ) ÷ 566] x 100 = -71.02%
Formula
Percentage change = [(164 - 566) / 566] x 100
Subtract the new number by the original number
164 - 566 = -402
-402 ÷ 566 = -0.7102473498233216
-0.7102473498233216 x 100 = -71.02%