-48.98% is the change from 49 to 25
Calculation steps:
[( 25 - 49 ) ÷ 49] x 100 = -48.98%
Formula
Percentage change = [(25 - 49) / 49] x 100
Subtract the new number by the original number
25 - 49 = -24
-24 ÷ 49 = -0.4897959183673469
-0.4897959183673469 x 100 = -48.98%