-86.22% is the change from 312 to 43
Calculation steps:
[( 43 - 312 ) ÷ 312] x 100 = -86.22%
Formula
Percentage change = [(43 - 312) / 312] x 100
Subtract the new number by the original number
43 - 312 = -269
-269 ÷ 312 = -0.8621794871794872
-0.8621794871794872 x 100 = -86.22%