89.8% is the change from 343 to 651
Calculation steps:
[( 651 - 343 ) ÷ 343] x 100 = 89.8%
Formula
Percentage change = [(651 - 343) / 343] x 100
Subtract the new number by the original number
651 - 343 = 308
308 ÷ 343 = 0.8979591836734694
0.8979591836734694 x 100 = 89.8%