-71.43% is the change from 49 to 14
Calculation steps:
[( 14 - 49 ) ÷ 49] x 100 = -71.43%
Formula
Percentage change = [(14 - 49) / 49] x 100
Subtract the new number by the original number
14 - 49 = -35
-35 ÷ 49 = -0.7142857142857143
-0.7142857142857143 x 100 = -71.43%