-11.05% is the change from 715 to 636
Calculation steps:
[( 636 - 715 ) ÷ 715] x 100 = -11.05%
Formula
Percentage change = [(636 - 715) / 715] x 100
Subtract the new number by the original number
636 - 715 = -79
-79 ÷ 715 = -0.11048951048951049
-0.11048951048951049 x 100 = -11.05%