-52.12% is the change from 919 to 440
Calculation steps:
[( 440 - 919 ) ÷ 919] x 100 = -52.12%
Formula
Percentage change = [(440 - 919) / 919] x 100
Subtract the new number by the original number
440 - 919 = -479
-479 ÷ 919 = -0.5212187159956474
-0.5212187159956474 x 100 = -52.12%