166.77% is the change from 310 to 827
Calculation steps:
[( 827 - 310 ) ÷ 310] x 100 = 166.77%
Formula
Percentage change = [(827 - 310) / 310] x 100
Subtract the new number by the original number
827 - 310 = 517
517 ÷ 310 = 1.667741935483871
1.667741935483871 x 100 = 166.77%