-57.45% is the change from 919 to 391
Calculation steps:
[( 391 - 919 ) ÷ 919] x 100 = -57.45%
Formula
Percentage change = [(391 - 919) / 919] x 100
Subtract the new number by the original number
391 - 919 = -528
-528 ÷ 919 = -0.5745375408052231
-0.5745375408052231 x 100 = -57.45%