-32.41% is the change from 972 to 657
Calculation steps:
[( 657 - 972 ) ÷ 972] x 100 = -32.41%
Formula
Percentage change = [(657 - 972) / 972] x 100
Subtract the new number by the original number
657 - 972 = -315
-315 ÷ 972 = -0.32407407407407407
-0.32407407407407407 x 100 = -32.41%