-84.69% is the change from 934 to 143
Calculation steps:
[( 143 - 934 ) ÷ 934] x 100 = -84.69%
Formula
Percentage change = [(143 - 934) / 934] x 100
Subtract the new number by the original number
143 - 934 = -791
-791 ÷ 934 = -0.8468950749464668
-0.8468950749464668 x 100 = -84.69%