-4.61% is the change from 217 to 207
Calculation steps:
[( 207 - 217 ) ÷ 217] x 100 = -4.61%
Formula
Percentage change = [(207 - 217) / 217] x 100
Subtract the new number by the original number
207 - 217 = -10
-10 ÷ 217 = -0.04608294930875576
-0.04608294930875576 x 100 = -4.61%