193.94% is the change from 99 to 291
Calculation steps:
[( 291 - 99 ) ÷ 99] x 100 = 193.94%
Formula
Percentage change = [(291 - 99) / 99] x 100
Subtract the new number by the original number
291 - 99 = 192
192 ÷ 99 = 1.9393939393939394
1.9393939393939394 x 100 = 193.94%