-22.27% is the change from 211 to 164
Calculation steps:
[( 164 - 211 ) ÷ 211] x 100 = -22.27%
Formula
Percentage change = [(164 - 211) / 211] x 100
Subtract the new number by the original number
164 - 211 = -47
-47 ÷ 211 = -0.22274881516587677
-0.22274881516587677 x 100 = -22.27%