285.07% is the change from 134 to 516
Calculation steps:
[( 516 - 134 ) ÷ 134] x 100 = 285.07%
Formula
Percentage change = [(516 - 134) / 134] x 100
Subtract the new number by the original number
516 - 134 = 382
382 ÷ 134 = 2.8507462686567164
2.8507462686567164 x 100 = 285.07%