-23.11% is the change from 212 to 163
Calculation steps:
[( 163 - 212 ) ÷ 212] x 100 = -23.11%
Formula
Percentage change = [(163 - 212) / 212] x 100
Subtract the new number by the original number
163 - 212 = -49
-49 ÷ 212 = -0.23113207547169812
-0.23113207547169812 x 100 = -23.11%