278.79% is the change from 198 to 750
Calculation steps:
[( 750 - 198 ) ÷ 198] x 100 = 278.79%
Formula
Percentage change = [(750 - 198) / 198] x 100
Subtract the new number by the original number
750 - 198 = 552
552 ÷ 198 = 2.787878787878788
2.787878787878788 x 100 = 278.79%