37.56% is the change from 663 to 912
Calculation steps:
[( 912 - 663 ) ÷ 663] x 100 = 37.56%
Formula
Percentage change = [(912 - 663) / 663] x 100
Subtract the new number by the original number
912 - 663 = 249
249 ÷ 663 = 0.3755656108597285
0.3755656108597285 x 100 = 37.56%