-65.38% is the change from 286 to 99
Calculation steps:
[( 99 - 286 ) ÷ 286] x 100 = -65.38%
Formula
Percentage change = [(99 - 286) / 286] x 100
Subtract the new number by the original number
99 - 286 = -187
-187 ÷ 286 = -0.6538461538461539
-0.6538461538461539 x 100 = -65.38%