-0.51% is the change from 791 to 787
Calculation steps:
[( 787 - 791 ) ÷ 791] x 100 = -0.51%
Formula
Percentage change = [(787 - 791) / 791] x 100
Subtract the new number by the original number
787 - 791 = -4
-4 ÷ 791 = -0.0050568900126422255
-0.0050568900126422255 x 100 = -0.51%