-29.22% is the change from 972 to 688
Calculation steps:
[( 688 - 972 ) ÷ 972] x 100 = -29.22%
Formula
Percentage change = [(688 - 972) / 972] x 100
Subtract the new number by the original number
688 - 972 = -284
-284 ÷ 972 = -0.29218106995884774
-0.29218106995884774 x 100 = -29.22%