-31.72% is the change from 974 to 665
Calculation steps:
[( 665 - 974 ) ÷ 974] x 100 = -31.72%
Formula
Percentage change = [(665 - 974) / 974] x 100
Subtract the new number by the original number
665 - 974 = -309
-309 ÷ 974 = -0.31724845995893225
-0.31724845995893225 x 100 = -31.72%