55.88% is the change from 612 to 954
Calculation steps:
[( 954 - 612 ) ÷ 612] x 100 = 55.88%
Formula
Percentage change = [(954 - 612) / 612] x 100
Subtract the new number by the original number
954 - 612 = 342
342 ÷ 612 = 0.5588235294117647
0.5588235294117647 x 100 = 55.88%