-42.99% is the change from 891 to 508
Calculation steps:
[( 508 - 891 ) ÷ 891] x 100 = -42.99%
Formula
Percentage change = [(508 - 891) / 891] x 100
Subtract the new number by the original number
508 - 891 = -383
-383 ÷ 891 = -0.4298540965207632
-0.4298540965207632 x 100 = -42.99%