590% is the change from 100 to 690
Calculation steps:
[( 690 - 100 ) ÷ 100] x 100 = 590%
Formula
Percentage change = [(690 - 100) / 100] x 100
Subtract the new number by the original number
690 - 100 = 590
590 ÷ 100 = 5.9
5.9 x 100 = 590%
Example