52.85% is the change from 543 to 830
Calculation steps:
[( 830 - 543 ) ÷ 543] x 100 = 52.85%
Formula
Percentage change = [(830 - 543) / 543] x 100
Subtract the new number by the original number
830 - 543 = 287
287 ÷ 543 = 0.5285451197053407
0.5285451197053407 x 100 = 52.85%