-55.75% is the change from 913 to 404
Calculation steps:
[( 404 - 913 ) ÷ 913] x 100 = -55.75%
Formula
Percentage change = [(404 - 913) / 913] x 100
Subtract the new number by the original number
404 - 913 = -509
-509 ÷ 913 = -0.5575027382256298
-0.5575027382256298 x 100 = -55.75%