-29.45% is the change from 781 to 551
Calculation steps:
[( 551 - 781 ) ÷ 781] x 100 = -29.45%
Formula
Percentage change = [(551 - 781) / 781] x 100
Subtract the new number by the original number
551 - 781 = -230
-230 ÷ 781 = -0.29449423815621
-0.29449423815621 x 100 = -29.45%