499.3% is the change from 143 to 857
Calculation steps:
[( 857 - 143 ) ÷ 143] x 100 = 499.3%
Formula
Percentage change = [(857 - 143) / 143] x 100
Subtract the new number by the original number
857 - 143 = 714
714 ÷ 143 = 4.993006993006993
4.993006993006993 x 100 = 499.3%