46.57% is the change from 612 to 897
Calculation steps:
[( 897 - 612 ) ÷ 612] x 100 = 46.57%
Formula
Percentage change = [(897 - 612) / 612] x 100
Subtract the new number by the original number
897 - 612 = 285
285 ÷ 612 = 0.46568627450980393
0.46568627450980393 x 100 = 46.57%