-61.84% is the change from 891 to 340
Calculation steps:
[( 340 - 891 ) ÷ 891] x 100 = -61.84%
Formula
Percentage change = [(340 - 891) / 891] x 100
Subtract the new number by the original number
340 - 891 = -551
-551 ÷ 891 = -0.6184062850729517
-0.6184062850729517 x 100 = -61.84%