255.67% is the change from 194 to 690
Calculation steps:
[( 690 - 194 ) ÷ 194] x 100 = 255.67%
Formula
Percentage change = [(690 - 194) / 194] x 100
Subtract the new number by the original number
690 - 194 = 496
496 ÷ 194 = 2.556701030927835
2.556701030927835 x 100 = 255.67%