-68.38% is the change from 974 to 308
Calculation steps:
[( 308 - 974 ) ÷ 974] x 100 = -68.38%
Formula
Percentage change = [(308 - 974) / 974] x 100
Subtract the new number by the original number
308 - 974 = -666
-666 ÷ 974 = -0.6837782340862423
-0.6837782340862423 x 100 = -68.38%