-19.93% is the change from 893 to 715
Calculation steps:
[( 715 - 893 ) ÷ 893] x 100 = -19.93%
Formula
Percentage change = [(715 - 893) / 893] x 100
Subtract the new number by the original number
715 - 893 = -178
-178 ÷ 893 = -0.19932810750279956
-0.19932810750279956 x 100 = -19.93%