-13.36% is the change from 247 to 214
Calculation steps:
[( 214 - 247 ) ÷ 247] x 100 = -13.36%
Formula
Percentage change = [(214 - 247) / 247] x 100
Subtract the new number by the original number
214 - 247 = -33
-33 ÷ 247 = -0.13360323886639677
-0.13360323886639677 x 100 = -13.36%