-75.19% is the change from 403 to 100
Calculation steps:
[( 100 - 403 ) ÷ 403] x 100 = -75.19%
Formula
Percentage change = [(100 - 403) / 403] x 100
Subtract the new number by the original number
100 - 403 = -303
-303 ÷ 403 = -0.7518610421836228
-0.7518610421836228 x 100 = -75.19%