184.64% is the change from 306 to 871
Calculation steps:
[( 871 - 306 ) ÷ 306] x 100 = 184.64%
Formula
Percentage change = [(871 - 306) / 306] x 100
Subtract the new number by the original number
871 - 306 = 565
565 ÷ 306 = 1.84640522875817
1.84640522875817 x 100 = 184.64%