-62.51% is the change from 835 to 313
Calculation steps:
[( 313 - 835 ) ÷ 835] x 100 = -62.51%
Formula
Percentage change = [(313 - 835) / 835] x 100
Subtract the new number by the original number
313 - 835 = -522
-522 ÷ 835 = -0.6251497005988024
-0.6251497005988024 x 100 = -62.51%