57.35% is the change from 612 to 963
Calculation steps:
[( 963 - 612 ) ÷ 612] x 100 = 57.35%
Formula
Percentage change = [(963 - 612) / 612] x 100
Subtract the new number by the original number
963 - 612 = 351
351 ÷ 612 = 0.5735294117647058
0.5735294117647058 x 100 = 57.35%