186.38% is the change from 345 to 988
Calculation steps:
[( 988 - 345 ) ÷ 345] x 100 = 186.38%
Formula
Percentage change = [(988 - 345) / 345] x 100
Subtract the new number by the original number
988 - 345 = 643
643 ÷ 345 = 1.863768115942029
1.863768115942029 x 100 = 186.38%