177.74% is the change from 310 to 861
Calculation steps:
[( 861 - 310 ) ÷ 310] x 100 = 177.74%
Formula
Percentage change = [(861 - 310) / 310] x 100
Subtract the new number by the original number
861 - 310 = 551
551 ÷ 310 = 1.7774193548387096
1.7774193548387096 x 100 = 177.74%