-84.37% is the change from 915 to 143
Calculation steps:
[( 143 - 915 ) ÷ 915] x 100 = -84.37%
Formula
Percentage change = [(143 - 915) / 915] x 100
Subtract the new number by the original number
143 - 915 = -772
-772 ÷ 915 = -0.8437158469945355
-0.8437158469945355 x 100 = -84.37%