106.89% is the change from 421 to 871
Calculation steps:
[( 871 - 421 ) ÷ 421] x 100 = 106.89%
Formula
Percentage change = [(871 - 421) / 421] x 100
Subtract the new number by the original number
871 - 421 = 450
450 ÷ 421 = 1.0688836104513064
1.0688836104513064 x 100 = 106.89%