-29.29% is the change from 973 to 688
Calculation steps:
[( 688 - 973 ) ÷ 973] x 100 = -29.29%
Formula
Percentage change = [(688 - 973) / 973] x 100
Subtract the new number by the original number
688 - 973 = -285
-285 ÷ 973 = -0.29290853031860226
-0.29290853031860226 x 100 = -29.29%