-13.77% is the change from 247 to 213
Calculation steps:
[( 213 - 247 ) ÷ 247] x 100 = -13.77%
Formula
Percentage change = [(213 - 247) / 247] x 100
Subtract the new number by the original number
213 - 247 = -34
-34 ÷ 247 = -0.13765182186234817
-0.13765182186234817 x 100 = -13.77%