-69.85% is the change from 839 to 253
Calculation steps:
[( 253 - 839 ) ÷ 839] x 100 = -69.85%
Formula
Percentage change = [(253 - 839) / 839] x 100
Subtract the new number by the original number
253 - 839 = -586
-586 ÷ 839 = -0.698450536352801
-0.698450536352801 x 100 = -69.85%