153.22% is the change from 342 to 866
Calculation steps:
[( 866 - 342 ) ÷ 342] x 100 = 153.22%
Formula
Percentage change = [(866 - 342) / 342] x 100
Subtract the new number by the original number
866 - 342 = 524
524 ÷ 342 = 1.5321637426900585
1.5321637426900585 x 100 = 153.22%