50.76% is the change from 660 to 995
Calculation steps:
[( 995 - 660 ) ÷ 660] x 100 = 50.76%
Formula
Percentage change = [(995 - 660) / 660] x 100
Subtract the new number by the original number
995 - 660 = 335
335 ÷ 660 = 0.5075757575757576
0.5075757575757576 x 100 = 50.76%