-5.05% is the change from 218 to 207
Calculation steps:
[( 207 - 218 ) ÷ 218] x 100 = -5.05%
Formula
Percentage change = [(207 - 218) / 218] x 100
Subtract the new number by the original number
207 - 218 = -11
-11 ÷ 218 = -0.05045871559633028
-0.05045871559633028 x 100 = -5.05%