53.03% is the change from 545 to 834
Calculation steps:
[( 834 - 545 ) ÷ 545] x 100 = 53.03%
Formula
Percentage change = [(834 - 545) / 545] x 100
Subtract the new number by the original number
834 - 545 = 289
289 ÷ 545 = 0.5302752293577981
0.5302752293577981 x 100 = 53.03%