-10.14% is the change from 207 to 186
Calculation steps:
[( 186 - 207 ) ÷ 207] x 100 = -10.14%
Formula
Percentage change = [(186 - 207) / 207] x 100
Subtract the new number by the original number
186 - 207 = -21
-21 ÷ 207 = -0.10144927536231885
-0.10144927536231885 x 100 = -10.14%