475.35% is the change from 142 to 817
Calculation steps:
[( 817 - 142 ) ÷ 142] x 100 = 475.35%
Formula
Percentage change = [(817 - 142) / 142] x 100
Subtract the new number by the original number
817 - 142 = 675
675 ÷ 142 = 4.753521126760563
4.753521126760563 x 100 = 475.35%