308.7% is the change from 207 to 846
Calculation steps:
[( 846 - 207 ) ÷ 207] x 100 = 308.7%
Formula
Percentage change = [(846 - 207) / 207] x 100
Subtract the new number by the original number
846 - 207 = 639
639 ÷ 207 = 3.0869565217391304
3.0869565217391304 x 100 = 308.7%