-70.67% is the change from 283 to 83
Calculation steps:
[( 83 - 283 ) ÷ 283] x 100 = -70.67%
Formula
Percentage change = [(83 - 283) / 283] x 100
Subtract the new number by the original number
83 - 283 = -200
-200 ÷ 283 = -0.7067137809187279
-0.7067137809187279 x 100 = -70.67%