304.35% is the change from 207 to 837
Calculation steps:
[( 837 - 207 ) ÷ 207] x 100 = 304.35%
Formula
Percentage change = [(837 - 207) / 207] x 100
Subtract the new number by the original number
837 - 207 = 630
630 ÷ 207 = 3.0434782608695654
3.0434782608695654 x 100 = 304.35%