74.37% is the change from 394 to 687
Calculation steps:
[( 687 - 394 ) ÷ 394] x 100 = 74.37%
Formula
Percentage change = [(687 - 394) / 394] x 100
Subtract the new number by the original number
687 - 394 = 293
293 ÷ 394 = 0.7436548223350253
0.7436548223350253 x 100 = 74.37%