-23.12% is the change from 930 to 715
Calculation steps:
[( 715 - 930 ) ÷ 930] x 100 = -23.12%
Formula
Percentage change = [(715 - 930) / 930] x 100
Subtract the new number by the original number
715 - 930 = -215
-215 ÷ 930 = -0.23118279569892472
-0.23118279569892472 x 100 = -23.12%