42.94% is the change from 666 to 952
Calculation steps:
[( 952 - 666 ) ÷ 666] x 100 = 42.94%
Formula
Percentage change = [(952 - 666) / 666] x 100
Subtract the new number by the original number
952 - 666 = 286
286 ÷ 666 = 0.4294294294294294
0.4294294294294294 x 100 = 42.94%