142.17% is the change from 351 to 850
Calculation steps:
[( 850 - 351 ) ÷ 351] x 100 = 142.17%
Formula
Percentage change = [(850 - 351) / 351] x 100
Subtract the new number by the original number
850 - 351 = 499
499 ÷ 351 = 1.4216524216524216
1.4216524216524216 x 100 = 142.17%