-90.86% is the change from 536 to 49
Calculation steps:
[( 49 - 536 ) ÷ 536] x 100 = -90.86%
Formula
Percentage change = [(49 - 536) / 536] x 100
Subtract the new number by the original number
49 - 536 = -487
-487 ÷ 536 = -0.9085820895522388
-0.9085820895522388 x 100 = -90.86%