74.81% is the change from 393 to 687
Calculation steps:
[( 687 - 393 ) ÷ 393] x 100 = 74.81%
Formula
Percentage change = [(687 - 393) / 393] x 100
Subtract the new number by the original number
687 - 393 = 294
294 ÷ 393 = 0.7480916030534351
0.7480916030534351 x 100 = 74.81%