-62.77% is the change from 838 to 312
Calculation steps:
[( 312 - 838 ) ÷ 838] x 100 = -62.77%
Formula
Percentage change = [(312 - 838) / 838] x 100
Subtract the new number by the original number
312 - 838 = -526
-526 ÷ 838 = -0.6276849642004774
-0.6276849642004774 x 100 = -62.77%