-57.34% is the change from 919 to 392
Calculation steps:
[( 392 - 919 ) ÷ 919] x 100 = -57.34%
Formula
Percentage change = [(392 - 919) / 919] x 100
Subtract the new number by the original number
392 - 919 = -527
-527 ÷ 919 = -0.573449401523395
-0.573449401523395 x 100 = -57.34%