-20.39% is the change from 917 to 730
Calculation steps:
[( 730 - 917 ) ÷ 917] x 100 = -20.39%
Formula
Percentage change = [(730 - 917) / 917] x 100
Subtract the new number by the original number
730 - 917 = -187
-187 ÷ 917 = -0.2039258451472192
-0.2039258451472192 x 100 = -20.39%