31.19% is the change from 545 to 715
Calculation steps:
[( 715 - 545 ) ÷ 545] x 100 = 31.19%
Formula
Percentage change = [(715 - 545) / 545] x 100
Subtract the new number by the original number
715 - 545 = 170
170 ÷ 545 = 0.3119266055045872
0.3119266055045872 x 100 = 31.19%