-77.55% is the change from 49 to 11
Calculation steps:
[( 11 - 49 ) ÷ 49] x 100 = -77.55%
Formula
Percentage change = [(11 - 49) / 49] x 100
Subtract the new number by the original number
11 - 49 = -38
-38 ÷ 49 = -0.7755102040816326
-0.7755102040816326 x 100 = -77.55%