-91.69% is the change from 421 to 35
Calculation steps:
[( 35 - 421 ) ÷ 421] x 100 = -91.69%
Formula
Percentage change = [(35 - 421) / 421] x 100
Subtract the new number by the original number
35 - 421 = -386
-386 ÷ 421 = -0.9168646080760094
-0.9168646080760094 x 100 = -91.69%