-9.95% is the change from 764 to 688
Calculation steps:
[( 688 - 764 ) ÷ 764] x 100 = -9.95%
Formula
Percentage change = [(688 - 764) / 764] x 100
Subtract the new number by the original number
688 - 764 = -76
-76 ÷ 764 = -0.09947643979057591
-0.09947643979057591 x 100 = -9.95%