-2.05% is the change from 780 to 764
Calculation steps:
[( 764 - 780 ) ÷ 780] x 100 = -2.05%
Formula
Percentage change = [(764 - 780) / 780] x 100
Subtract the new number by the original number
764 - 780 = -16
-16 ÷ 780 = -0.020512820512820513
-0.020512820512820513 x 100 = -2.05%