-53.43% is the change from 919 to 428
Calculation steps:
[( 428 - 919 ) ÷ 919] x 100 = -53.43%
Formula
Percentage change = [(428 - 919) / 919] x 100
Subtract the new number by the original number
428 - 919 = -491
-491 ÷ 919 = -0.5342763873775843
-0.5342763873775843 x 100 = -53.43%