136.24% is the change from 287 to 678
Calculation steps:
[( 678 - 287 ) ÷ 287] x 100 = 136.24%
Formula
Percentage change = [(678 - 287) / 287] x 100
Subtract the new number by the original number
678 - 287 = 391
391 ÷ 287 = 1.362369337979094
1.362369337979094 x 100 = 136.24%