-21.4% is the change from 930 to 731
Calculation steps:
[( 731 - 930 ) ÷ 930] x 100 = -21.4%
Formula
Percentage change = [(731 - 930) / 930] x 100
Subtract the new number by the original number
731 - 930 = -199
-199 ÷ 930 = -0.21397849462365592
-0.21397849462365592 x 100 = -21.4%