-23.47% is the change from 213 to 163
Calculation steps:
[( 163 - 213 ) ÷ 213] x 100 = -23.47%
Formula
Percentage change = [(163 - 213) / 213] x 100
Subtract the new number by the original number
163 - 213 = -50
-50 ÷ 213 = -0.2347417840375587
-0.2347417840375587 x 100 = -23.47%