-86.57% is the change from 551 to 74
Calculation steps:
[( 74 - 551 ) ÷ 551] x 100 = -86.57%
Formula
Percentage change = [(74 - 551) / 551] x 100
Subtract the new number by the original number
74 - 551 = -477
-477 ÷ 551 = -0.8656987295825771
-0.8656987295825771 x 100 = -86.57%