245.96% is the change from 198 to 685
Calculation steps:
[( 685 - 198 ) ÷ 198] x 100 = 245.96%
Formula
Percentage change = [(685 - 198) / 198] x 100
Subtract the new number by the original number
685 - 198 = 487
487 ÷ 198 = 2.45959595959596
2.45959595959596 x 100 = 245.96%