-36% is the change from 861 to 551
Calculation steps:
[( 551 - 861 ) ÷ 861] x 100 = -36%
Formula
Percentage change = [(551 - 861) / 861] x 100
Subtract the new number by the original number
551 - 861 = -310
-310 ÷ 861 = -0.3600464576074332
-0.3600464576074332 x 100 = -36%