-68.41% is the change from 975 to 308
Calculation steps:
[( 308 - 975 ) ÷ 975] x 100 = -68.41%
Formula
Percentage change = [(308 - 975) / 975] x 100
Subtract the new number by the original number
308 - 975 = -667
-667 ÷ 975 = -0.6841025641025641
-0.6841025641025641 x 100 = -68.41%