-29.32% is the change from 972 to 687
Calculation steps:
[( 687 - 972 ) ÷ 972] x 100 = -29.32%
Formula
Percentage change = [(687 - 972) / 972] x 100
Subtract the new number by the original number
687 - 972 = -285
-285 ÷ 972 = -0.2932098765432099
-0.2932098765432099 x 100 = -29.32%