89.77% is the change from 342 to 649
Calculation steps:
[( 649 - 342 ) ÷ 342] x 100 = 89.77%
Formula
Percentage change = [(649 - 342) / 342] x 100
Subtract the new number by the original number
649 - 342 = 307
307 ÷ 342 = 0.8976608187134503
0.8976608187134503 x 100 = 89.77%