-20.38% is the change from 211 to 168
Calculation steps:
[( 168 - 211 ) ÷ 211] x 100 = -20.38%
Formula
Percentage change = [(168 - 211) / 211] x 100
Subtract the new number by the original number
168 - 211 = -43
-43 ÷ 211 = -0.2037914691943128
-0.2037914691943128 x 100 = -20.38%