-33.23% is the change from 972 to 649
Calculation steps:
[( 649 - 972 ) ÷ 972] x 100 = -33.23%
Formula
Percentage change = [(649 - 972) / 972] x 100
Subtract the new number by the original number
649 - 972 = -323
-323 ÷ 972 = -0.3323045267489712
-0.3323045267489712 x 100 = -33.23%