548.81% is the change from 84 to 545
Calculation steps:
[( 545 - 84 ) ÷ 84] x 100 = 548.81%
Formula
Percentage change = [(545 - 84) / 84] x 100
Subtract the new number by the original number
545 - 84 = 461
461 ÷ 84 = 5.488095238095238
5.488095238095238 x 100 = 548.81%