-81.46% is the change from 151 to 28
Calculation steps:
[( 28 - 151 ) ÷ 151] x 100 = -81.46%
Formula
Percentage change = [(28 - 151) / 151] x 100
Subtract the new number by the original number
28 - 151 = -123
-123 ÷ 151 = -0.8145695364238411
-0.8145695364238411 x 100 = -81.46%