42.77% is the change from 664 to 948
Calculation steps:
[( 948 - 664 ) ÷ 664] x 100 = 42.77%
Formula
Percentage change = [(948 - 664) / 664] x 100
Subtract the new number by the original number
948 - 664 = 284
284 ÷ 664 = 0.42771084337349397
0.42771084337349397 x 100 = 42.77%