70.72% is the change from 403 to 688
Calculation steps:
[( 688 - 403 ) ÷ 403] x 100 = 70.72%
Formula
Percentage change = [(688 - 403) / 403] x 100
Subtract the new number by the original number
688 - 403 = 285
285 ÷ 403 = 0.707196029776675
0.707196029776675 x 100 = 70.72%
Example