0.78% is the change from 645 to 650
Calculation steps:
[( 650 - 645 ) ÷ 645] x 100 = 0.78%
Formula
Percentage change = [(650 - 645) / 645] x 100
Subtract the new number by the original number
650 - 645 = 5
5 ÷ 645 = 0.007751937984496124
0.007751937984496124 x 100 = 0.78%