-45.12% is the change from 523 to 287
Calculation steps:
[( 287 - 523 ) ÷ 523] x 100 = -45.12%
Formula
Percentage change = [(287 - 523) / 523] x 100
Subtract the new number by the original number
287 - 523 = -236
-236 ÷ 523 = -0.45124282982791586
-0.45124282982791586 x 100 = -45.12%