-18.18% is the change from 913 to 747
Calculation steps:
[( 747 - 913 ) ÷ 913] x 100 = -18.18%
Formula
Percentage change = [(747 - 913) / 913] x 100
Subtract the new number by the original number
747 - 913 = -166
-166 ÷ 913 = -0.18181818181818182
-0.18181818181818182 x 100 = -18.18%