-70.6% is the change from 806 to 237
Calculation steps:
[( 237 - 806 ) ÷ 806] x 100 = -70.6%
Formula
Percentage change = [(237 - 806) / 806] x 100
Subtract the new number by the original number
237 - 806 = -569
-569 ÷ 806 = -0.705955334987593
-0.705955334987593 x 100 = -70.6%