-30.46% is the change from 893 to 621
Calculation steps:
[( 621 - 893 ) ÷ 893] x 100 = -30.46%
Formula
Percentage change = [(621 - 893) / 893] x 100
Subtract the new number by the original number
621 - 893 = -272
-272 ÷ 893 = -0.3045912653975364
-0.3045912653975364 x 100 = -30.46%