84.05% is the change from 351 to 646
Calculation steps:
[( 646 - 351 ) ÷ 351] x 100 = 84.05%
Formula
Percentage change = [(646 - 351) / 351] x 100
Subtract the new number by the original number
646 - 351 = 295
295 ÷ 351 = 0.8404558404558404
0.8404558404558404 x 100 = 84.05%