137.79% is the change from 217 to 516
Calculation steps:
[( 516 - 217 ) ÷ 217] x 100 = 137.79%
Formula
Percentage change = [(516 - 217) / 217] x 100
Subtract the new number by the original number
516 - 217 = 299
299 ÷ 217 = 1.3778801843317972
1.3778801843317972 x 100 = 137.79%