-77.76% is the change from 715 to 159
Calculation steps:
[( 159 - 715 ) ÷ 715] x 100 = -77.76%
Formula
Percentage change = [(159 - 715) / 715] x 100
Subtract the new number by the original number
159 - 715 = -556
-556 ÷ 715 = -0.7776223776223776
-0.7776223776223776 x 100 = -77.76%