147.25% is the change from 345 to 853
Calculation steps:
[( 853 - 345 ) ÷ 345] x 100 = 147.25%
Formula
Percentage change = [(853 - 345) / 345] x 100
Subtract the new number by the original number
853 - 345 = 508
508 ÷ 345 = 1.472463768115942
1.472463768115942 x 100 = 147.25%