-44.29% is the change from 919 to 512
Calculation steps:
[( 512 - 919 ) ÷ 919] x 100 = -44.29%
Formula
Percentage change = [(512 - 919) / 919] x 100
Subtract the new number by the original number
512 - 919 = -407
-407 ÷ 919 = -0.4428726877040261
-0.4428726877040261 x 100 = -44.29%