249.24% is the change from 197 to 688
Calculation steps:
[( 688 - 197 ) ÷ 197] x 100 = 249.24%
Formula
Percentage change = [(688 - 197) / 197] x 100
Subtract the new number by the original number
688 - 197 = 491
491 ÷ 197 = 2.4923857868020303
2.4923857868020303 x 100 = 249.24%