-70.72% is the change from 806 to 236
Calculation steps:
[( 236 - 806 ) ÷ 806] x 100 = -70.72%
Formula
Percentage change = [(236 - 806) / 806] x 100
Subtract the new number by the original number
236 - 806 = -570
-570 ÷ 806 = -0.707196029776675
-0.707196029776675 x 100 = -70.72%