-16.1% is the change from 764 to 641
Calculation steps:
[( 641 - 764 ) ÷ 764] x 100 = -16.1%
Formula
Percentage change = [(641 - 764) / 764] x 100
Subtract the new number by the original number
641 - 764 = -123
-123 ÷ 764 = -0.16099476439790575
-0.16099476439790575 x 100 = -16.1%