248.48% is the change from 198 to 690
Calculation steps:
[( 690 - 198 ) ÷ 198] x 100 = 248.48%
Formula
Percentage change = [(690 - 198) / 198] x 100
Subtract the new number by the original number
690 - 198 = 492
492 ÷ 198 = 2.484848484848485
2.484848484848485 x 100 = 248.48%