-78.22% is the change from 551 to 120
Calculation steps:
[( 120 - 551 ) ÷ 551] x 100 = -78.22%
Formula
Percentage change = [(120 - 551) / 551] x 100
Subtract the new number by the original number
120 - 551 = -431
-431 ÷ 551 = -0.7822141560798548
-0.7822141560798548 x 100 = -78.22%