-8.53% is the change from 211 to 193
Calculation steps:
[( 193 - 211 ) ÷ 211] x 100 = -8.53%
Formula
Percentage change = [(193 - 211) / 211] x 100
Subtract the new number by the original number
193 - 211 = -18
-18 ÷ 211 = -0.08530805687203792
-0.08530805687203792 x 100 = -8.53%