542.86% is the change from 49 to 315
Calculation steps:
[( 315 - 49 ) ÷ 49] x 100 = 542.86%
Formula
Percentage change = [(315 - 49) / 49] x 100
Subtract the new number by the original number
315 - 49 = 266
266 ÷ 49 = 5.428571428571429
5.428571428571429 x 100 = 542.86%