-15.07% is the change from 763 to 648
Calculation steps:
[( 648 - 763 ) ÷ 763] x 100 = -15.07%
Formula
Percentage change = [(648 - 763) / 763] x 100
Subtract the new number by the original number
648 - 763 = -115
-115 ÷ 763 = -0.15072083879423329
-0.15072083879423329 x 100 = -15.07%