268.38% is the change from 136 to 501
Calculation steps:
[( 501 - 136 ) ÷ 136] x 100 = 268.38%
Formula
Percentage change = [(501 - 136) / 136] x 100
Subtract the new number by the original number
501 - 136 = 365
365 ÷ 136 = 2.6838235294117645
2.6838235294117645 x 100 = 268.38%