-77.78% is the change from 126 to 28
Calculation steps:
[( 28 - 126 ) ÷ 126] x 100 = -77.78%
Formula
Percentage change = [(28 - 126) / 126] x 100
Subtract the new number by the original number
28 - 126 = -98
-98 ÷ 126 = -0.7777777777777778
-0.7777777777777778 x 100 = -77.78%