-13.2% is the change from 765 to 664
Calculation steps:
[( 664 - 765 ) ÷ 765] x 100 = -13.2%
Formula
Percentage change = [(664 - 765) / 765] x 100
Subtract the new number by the original number
664 - 765 = -101
-101 ÷ 765 = -0.13202614379084968
-0.13202614379084968 x 100 = -13.2%