-7.25% is the change from 207 to 192
Calculation steps:
[( 192 - 207 ) ÷ 207] x 100 = -7.25%
Formula
Percentage change = [(192 - 207) / 207] x 100
Subtract the new number by the original number
192 - 207 = -15
-15 ÷ 207 = -0.07246376811594203
-0.07246376811594203 x 100 = -7.25%