-15.28% is the change from 844 to 715
Calculation steps:
[( 715 - 844 ) ÷ 844] x 100 = -15.28%
Formula
Percentage change = [(715 - 844) / 844] x 100
Subtract the new number by the original number
715 - 844 = -129
-129 ÷ 844 = -0.1528436018957346
-0.1528436018957346 x 100 = -15.28%