-76.58% is the change from 427 to 100
Calculation steps:
[( 100 - 427 ) ÷ 427] x 100 = -76.58%
Formula
Percentage change = [(100 - 427) / 427] x 100
Subtract the new number by the original number
100 - 427 = -327
-327 ÷ 427 = -0.765807962529274
-0.765807962529274 x 100 = -76.58%