-47.33% is the change from 824 to 434
Calculation steps:
[( 434 - 824 ) ÷ 824] x 100 = -47.33%
Formula
Percentage change = [(434 - 824) / 824] x 100
Subtract the new number by the original number
434 - 824 = -390
-390 ÷ 824 = -0.4733009708737864
-0.4733009708737864 x 100 = -47.33%