221.4% is the change from 271 to 871
Calculation steps:
[( 871 - 271 ) ÷ 271] x 100 = 221.4%
Formula
Percentage change = [(871 - 271) / 271] x 100
Subtract the new number by the original number
871 - 271 = 600
600 ÷ 271 = 2.2140221402214024
2.2140221402214024 x 100 = 221.4%