-62.91% is the change from 771 to 286
Calculation steps:
[( 286 - 771 ) ÷ 771] x 100 = -62.91%
Formula
Percentage change = [(286 - 771) / 771] x 100
Subtract the new number by the original number
286 - 771 = -485
-485 ÷ 771 = -0.62905317769131
-0.62905317769131 x 100 = -62.91%