53.33% is the change from 645 to 989
Calculation steps:
[( 989 - 645 ) ÷ 645] x 100 = 53.33%
Formula
Percentage change = [(989 - 645) / 645] x 100
Subtract the new number by the original number
989 - 645 = 344
344 ÷ 645 = 0.5333333333333333
0.5333333333333333 x 100 = 53.33%