-53.1% is the change from 919 to 431
Calculation steps:
[( 431 - 919 ) ÷ 919] x 100 = -53.1%
Formula
Percentage change = [(431 - 919) / 919] x 100
Subtract the new number by the original number
431 - 919 = -488
-488 ÷ 919 = -0.5310119695321001
-0.5310119695321001 x 100 = -53.1%