-83.92% is the change from 715 to 115
Calculation steps:
[( 115 - 715 ) ÷ 715] x 100 = -83.92%
Formula
Percentage change = [(115 - 715) / 715] x 100
Subtract the new number by the original number
115 - 715 = -600
-600 ÷ 715 = -0.8391608391608392
-0.8391608391608392 x 100 = -83.92%