-74.92% is the change from 913 to 229
Calculation steps:
[( 229 - 913 ) ÷ 913] x 100 = -74.92%
Formula
Percentage change = [(229 - 913) / 913] x 100
Subtract the new number by the original number
229 - 913 = -684
-684 ÷ 913 = -0.7491785323110625
-0.7491785323110625 x 100 = -74.92%