-7.02% is the change from 242 to 225
Calculation steps:
[( 225 - 242 ) ÷ 242] x 100 = -7.02%
Formula
Percentage change = [(225 - 242) / 242] x 100
Subtract the new number by the original number
225 - 242 = -17
-17 ÷ 242 = -0.07024793388429752
-0.07024793388429752 x 100 = -7.02%