-63.98% is the change from 919 to 331
Calculation steps:
[( 331 - 919 ) ÷ 919] x 100 = -63.98%
Formula
Percentage change = [(331 - 919) / 919] x 100
Subtract the new number by the original number
331 - 919 = -588
-588 ÷ 919 = -0.6398258977149075
-0.6398258977149075 x 100 = -63.98%