-65.5% is the change from 974 to 336
Calculation steps:
[( 336 - 974 ) ÷ 974] x 100 = -65.5%
Formula
Percentage change = [(336 - 974) / 974] x 100
Subtract the new number by the original number
336 - 974 = -638
-638 ÷ 974 = -0.6550308008213552
-0.6550308008213552 x 100 = -65.5%