84.5% is the change from 542 to 1000
Calculation steps:
[( 1000 - 542 ) ÷ 542] x 100 = 84.5%
Formula
Percentage change = [(1000 - 542) / 542] x 100
Subtract the new number by the original number
1000 - 542 = 458
458 ÷ 542 = 0.8450184501845018
0.8450184501845018 x 100 = 84.5%