-5.3% is the change from 755 to 715
Calculation steps:
[( 715 - 755 ) ÷ 755] x 100 = -5.3%
Formula
Percentage change = [(715 - 755) / 755] x 100
Subtract the new number by the original number
715 - 755 = -40
-40 ÷ 755 = -0.052980132450331126
-0.052980132450331126 x 100 = -5.3%