73.33% is the change from 315 to 546
Calculation steps:
[( 546 - 315 ) ÷ 315] x 100 = 73.33%
Formula
Percentage change = [(546 - 315) / 315] x 100
Subtract the new number by the original number
546 - 315 = 231
231 ÷ 315 = 0.7333333333333333
0.7333333333333333 x 100 = 73.33%