-66.74% is the change from 974 to 324
Calculation steps:
[( 324 - 974 ) ÷ 974] x 100 = -66.74%
Formula
Percentage change = [(324 - 974) / 974] x 100
Subtract the new number by the original number
324 - 974 = -650
-650 ÷ 974 = -0.6673511293634496
-0.6673511293634496 x 100 = -66.74%