276.77% is the change from 99 to 373
Calculation steps:
[( 373 - 99 ) ÷ 99] x 100 = 276.77%
Formula
Percentage change = [(373 - 99) / 99] x 100
Subtract the new number by the original number
373 - 99 = 274
274 ÷ 99 = 2.7676767676767677
2.7676767676767677 x 100 = 276.77%