-73.57% is the change from 280 to 74
Calculation steps:
[( 74 - 280 ) ÷ 280] x 100 = -73.57%
Formula
Percentage change = [(74 - 280) / 280] x 100
Subtract the new number by the original number
74 - 280 = -206
-206 ÷ 280 = -0.7357142857142858
-0.7357142857142858 x 100 = -73.57%