-35.71% is the change from 857 to 551
Calculation steps:
[( 551 - 857 ) ÷ 857] x 100 = -35.71%
Formula
Percentage change = [(551 - 857) / 857] x 100
Subtract the new number by the original number
551 - 857 = -306
-306 ÷ 857 = -0.3570595099183197
-0.3570595099183197 x 100 = -35.71%