67.88% is the change from 137 to 230
Calculation steps:
[( 230 - 137 ) ÷ 137] x 100 = 67.88%
Formula
Percentage change = [(230 - 137) / 137] x 100
Subtract the new number by the original number
230 - 137 = 93
93 ÷ 137 = 0.6788321167883211
0.6788321167883211 x 100 = 67.88%