-45.71% is the change from 280 to 152
Calculation steps:
[( 152 - 280 ) ÷ 280] x 100 = -45.71%
Formula
Percentage change = [(152 - 280) / 280] x 100
Subtract the new number by the original number
152 - 280 = -128
-128 ÷ 280 = -0.45714285714285713
-0.45714285714285713 x 100 = -45.71%