-89.51% is the change from 715 to 75
Calculation steps:
[( 75 - 715 ) ÷ 715] x 100 = -89.51%
Formula
Percentage change = [(75 - 715) / 715] x 100
Subtract the new number by the original number
75 - 715 = -640
-640 ÷ 715 = -0.8951048951048951
-0.8951048951048951 x 100 = -89.51%