171% is the change from 200 to 542
Calculation steps:
[( 542 - 200 ) ÷ 200] x 100 = 171%
Formula
Percentage change = [(542 - 200) / 200] x 100
Subtract the new number by the original number
542 - 200 = 342
342 ÷ 200 = 1.71
1.71 x 100 = 171%
Example