-86.81% is the change from 614 to 81
Calculation steps:
[( 81 - 614 ) ÷ 614] x 100 = -86.81%
Formula
Percentage change = [(81 - 614) / 614] x 100
Subtract the new number by the original number
81 - 614 = -533
-533 ÷ 614 = -0.8680781758957655
-0.8680781758957655 x 100 = -86.81%