-2.19% is the change from 913 to 893
Calculation steps:
[( 893 - 913 ) ÷ 913] x 100 = -2.19%
Formula
Percentage change = [(893 - 913) / 913] x 100
Subtract the new number by the original number
893 - 913 = -20
-20 ÷ 913 = -0.02190580503833516
-0.02190580503833516 x 100 = -2.19%