-39.58% is the change from 912 to 551
Calculation steps:
[( 551 - 912 ) ÷ 912] x 100 = -39.58%
Formula
Percentage change = [(551 - 912) / 912] x 100
Subtract the new number by the original number
551 - 912 = -361
-361 ÷ 912 = -0.3958333333333333
-0.3958333333333333 x 100 = -39.58%