-67.9% is the change from 975 to 313
Calculation steps:
[( 313 - 975 ) ÷ 975] x 100 = -67.9%
Formula
Percentage change = [(313 - 975) / 975] x 100
Subtract the new number by the original number
313 - 975 = -662
-662 ÷ 975 = -0.678974358974359
-0.678974358974359 x 100 = -67.9%