-62.8% is the change from 715 to 266
Calculation steps:
[( 266 - 715 ) ÷ 715] x 100 = -62.8%
Formula
Percentage change = [(266 - 715) / 715] x 100
Subtract the new number by the original number
266 - 715 = -449
-449 ÷ 715 = -0.627972027972028
-0.627972027972028 x 100 = -62.8%