-48% is the change from 50 to 26
Calculation steps:
[( 26 - 50 ) ÷ 50] x 100 = -48%
Formula
Percentage change = [(26 - 50) / 50] x 100
Subtract the new number by the original number
26 - 50 = -24
-24 ÷ 50 = -0.48
-0.48 x 100 = -48%
Example