-31.93% is the change from 830 to 565
Calculation steps:
[( 565 - 830 ) ÷ 830] x 100 = -31.93%
Formula
Percentage change = [(565 - 830) / 830] x 100
Subtract the new number by the original number
565 - 830 = -265
-265 ÷ 830 = -0.3192771084337349
-0.3192771084337349 x 100 = -31.93%