-65.43% is the change from 972 to 336
Calculation steps:
[( 336 - 972 ) ÷ 972] x 100 = -65.43%
Formula
Percentage change = [(336 - 972) / 972] x 100
Subtract the new number by the original number
336 - 972 = -636
-636 ÷ 972 = -0.654320987654321
-0.654320987654321 x 100 = -65.43%