545% is the change from 80 to 516
Calculation steps:
[( 516 - 80 ) ÷ 80] x 100 = 545%
Formula
Percentage change = [(516 - 80) / 80] x 100
Subtract the new number by the original number
516 - 80 = 436
436 ÷ 80 = 5.45
5.45 x 100 = 545%
Example