83.21% is the change from 137 to 251
Calculation steps:
[( 251 - 137 ) ÷ 137] x 100 = 83.21%
Formula
Percentage change = [(251 - 137) / 137] x 100
Subtract the new number by the original number
251 - 137 = 114
114 ÷ 137 = 0.8321167883211679
0.8321167883211679 x 100 = 83.21%