-70.38% is the change from 287 to 85
Calculation steps:
[( 85 - 287 ) ÷ 287] x 100 = -70.38%
Formula
Percentage change = [(85 - 287) / 287] x 100
Subtract the new number by the original number
85 - 287 = -202
-202 ÷ 287 = -0.7038327526132404
-0.7038327526132404 x 100 = -70.38%