-2.54% is the change from 787 to 767
Calculation steps:
[( 767 - 787 ) ÷ 787] x 100 = -2.54%
Formula
Percentage change = [(767 - 787) / 787] x 100
Subtract the new number by the original number
767 - 787 = -20
-20 ÷ 787 = -0.025412960609911054
-0.025412960609911054 x 100 = -2.54%