-34.77% is the change from 972 to 634
Calculation steps:
[( 634 - 972 ) ÷ 972] x 100 = -34.77%
Formula
Percentage change = [(634 - 972) / 972] x 100
Subtract the new number by the original number
634 - 972 = -338
-338 ÷ 972 = -0.3477366255144033
-0.3477366255144033 x 100 = -34.77%