84.62% is the change from 351 to 648
Calculation steps:
[( 648 - 351 ) ÷ 351] x 100 = 84.62%
Formula
Percentage change = [(648 - 351) / 351] x 100
Subtract the new number by the original number
648 - 351 = 297
297 ÷ 351 = 0.8461538461538461
0.8461538461538461 x 100 = 84.62%