-23.86% is the change from 939 to 715
Calculation steps:
[( 715 - 939 ) ÷ 939] x 100 = -23.86%
Formula
Percentage change = [(715 - 939) / 939] x 100
Subtract the new number by the original number
715 - 939 = -224
-224 ÷ 939 = -0.23855165069222578
-0.23855165069222578 x 100 = -23.86%