228.71% is the change from 209 to 687
Calculation steps:
[( 687 - 209 ) ÷ 209] x 100 = 228.71%
Formula
Percentage change = [(687 - 209) / 209] x 100
Subtract the new number by the original number
687 - 209 = 478
478 ÷ 209 = 2.287081339712919
2.287081339712919 x 100 = 228.71%