123.05% is the change from 308 to 687
Calculation steps:
[( 687 - 308 ) ÷ 308] x 100 = 123.05%
Formula
Percentage change = [(687 - 308) / 308] x 100
Subtract the new number by the original number
687 - 308 = 379
379 ÷ 308 = 1.2305194805194806
1.2305194805194806 x 100 = 123.05%