64.49% is the change from 245 to 403
Calculation steps:
[( 403 - 245 ) ÷ 245] x 100 = 64.49%
Formula
Percentage change = [(403 - 245) / 245] x 100
Subtract the new number by the original number
403 - 245 = 158
158 ÷ 245 = 0.6448979591836734
0.6448979591836734 x 100 = 64.49%