138.39% is the change from 211 to 503
Calculation steps:
[( 503 - 211 ) ÷ 211] x 100 = 138.39%
Formula
Percentage change = [(503 - 211) / 211] x 100
Subtract the new number by the original number
503 - 211 = 292
292 ÷ 211 = 1.3838862559241707
1.3838862559241707 x 100 = 138.39%