67.41% is the change from 405 to 678
Calculation steps:
[( 678 - 405 ) ÷ 405] x 100 = 67.41%
Formula
Percentage change = [(678 - 405) / 405] x 100
Subtract the new number by the original number
678 - 405 = 273
273 ÷ 405 = 0.674074074074074
0.674074074074074 x 100 = 67.41%