-80% is the change from 715 to 143
Calculation steps:
[( 143 - 715 ) ÷ 715] x 100 = -80%
Formula
Percentage change = [(143 - 715) / 715] x 100
Subtract the new number by the original number
143 - 715 = -572
-572 ÷ 715 = -0.8
-0.8 x 100 = -80%
Example