-97.24% is the change from 217 to 6
Calculation steps:
[( 6 - 217 ) ÷ 217] x 100 = -97.24%
Formula
Percentage change = [(6 - 217) / 217] x 100
Subtract the new number by the original number
6 - 217 = -211
-211 ÷ 217 = -0.9723502304147466
-0.9723502304147466 x 100 = -97.24%