-4.15% is the change from 217 to 208
Calculation steps:
[( 208 - 217 ) ÷ 217] x 100 = -4.15%
Formula
Percentage change = [(208 - 217) / 217] x 100
Subtract the new number by the original number
208 - 217 = -9
-9 ÷ 217 = -0.041474654377880185
-0.041474654377880185 x 100 = -4.15%