189.77% is the change from 342 to 991
Calculation steps:
[( 991 - 342 ) ÷ 342] x 100 = 189.77%
Formula
Percentage change = [(991 - 342) / 342] x 100
Subtract the new number by the original number
991 - 342 = 649
649 ÷ 342 = 1.8976608187134503
1.8976608187134503 x 100 = 189.77%