-7.73% is the change from 207 to 191
Calculation steps:
[( 191 - 207 ) ÷ 207] x 100 = -7.73%
Formula
Percentage change = [(191 - 207) / 207] x 100
Subtract the new number by the original number
191 - 207 = -16
-16 ÷ 207 = -0.07729468599033816
-0.07729468599033816 x 100 = -7.73%