-15.18% is the change from 764 to 648
Calculation steps:
[( 648 - 764 ) ÷ 764] x 100 = -15.18%
Formula
Percentage change = [(648 - 764) / 764] x 100
Subtract the new number by the original number
648 - 764 = -116
-116 ÷ 764 = -0.1518324607329843
-0.1518324607329843 x 100 = -15.18%