-42.44% is the change from 919 to 529
Calculation steps:
[( 529 - 919 ) ÷ 919] x 100 = -42.44%
Formula
Percentage change = [(529 - 919) / 919] x 100
Subtract the new number by the original number
529 - 919 = -390
-390 ÷ 919 = -0.4243743199129489
-0.4243743199129489 x 100 = -42.44%