311.43% is the change from 210 to 864
Calculation steps:
[( 864 - 210 ) ÷ 210] x 100 = 311.43%
Formula
Percentage change = [(864 - 210) / 210] x 100
Subtract the new number by the original number
864 - 210 = 654
654 ÷ 210 = 3.1142857142857143
3.1142857142857143 x 100 = 311.43%