-21.59% is the change from 931 to 730
Calculation steps:
[( 730 - 931 ) ÷ 931] x 100 = -21.59%
Formula
Percentage change = [(730 - 931) / 931] x 100
Subtract the new number by the original number
730 - 931 = -201
-201 ÷ 931 = -0.2158968850698174
-0.2158968850698174 x 100 = -21.59%