-51.81% is the change from 913 to 440
Calculation steps:
[( 440 - 913 ) ÷ 913] x 100 = -51.81%
Formula
Percentage change = [(440 - 913) / 913] x 100
Subtract the new number by the original number
440 - 913 = -473
-473 ÷ 913 = -0.5180722891566265
-0.5180722891566265 x 100 = -51.81%