-31.11% is the change from 974 to 671
Calculation steps:
[( 671 - 974 ) ÷ 974] x 100 = -31.11%
Formula
Percentage change = [(671 - 974) / 974] x 100
Subtract the new number by the original number
671 - 974 = -303
-303 ÷ 974 = -0.311088295687885
-0.311088295687885 x 100 = -31.11%