300.48% is the change from 209 to 837
Calculation steps:
[( 837 - 209 ) ÷ 209] x 100 = 300.48%
Formula
Percentage change = [(837 - 209) / 209] x 100
Subtract the new number by the original number
837 - 209 = 628
628 ÷ 209 = 3.0047846889952154
3.0047846889952154 x 100 = 300.48%