-66.63% is the change from 938 to 313
Calculation steps:
[( 313 - 938 ) ÷ 938] x 100 = -66.63%
Formula
Percentage change = [(313 - 938) / 938] x 100
Subtract the new number by the original number
313 - 938 = -625
-625 ÷ 938 = -0.6663113006396588
-0.6663113006396588 x 100 = -66.63%