223.87% is the change from 155 to 502
Calculation steps:
[( 502 - 155 ) ÷ 155] x 100 = 223.87%
Formula
Percentage change = [(502 - 155) / 155] x 100
Subtract the new number by the original number
502 - 155 = 347
347 ÷ 155 = 2.238709677419355
2.238709677419355 x 100 = 223.87%