-9.66% is the change from 207 to 187
Calculation steps:
[( 187 - 207 ) ÷ 207] x 100 = -9.66%
Formula
Percentage change = [(187 - 207) / 207] x 100
Subtract the new number by the original number
187 - 207 = -20
-20 ÷ 207 = -0.0966183574879227
-0.0966183574879227 x 100 = -9.66%