-8.96% is the change from 212 to 193
Calculation steps:
[( 193 - 212 ) ÷ 212] x 100 = -8.96%
Formula
Percentage change = [(193 - 212) / 212] x 100
Subtract the new number by the original number
193 - 212 = -19
-19 ÷ 212 = -0.08962264150943396
-0.08962264150943396 x 100 = -8.96%