-84.75% is the change from 551 to 84
Calculation steps:
[( 84 - 551 ) ÷ 551] x 100 = -84.75%
Formula
Percentage change = [(84 - 551) / 551] x 100
Subtract the new number by the original number
84 - 551 = -467
-467 ÷ 551 = -0.8475499092558983
-0.8475499092558983 x 100 = -84.75%