145.63% is the change from 263 to 646
Calculation steps:
[( 646 - 263 ) ÷ 263] x 100 = 145.63%
Formula
Percentage change = [(646 - 263) / 263] x 100
Subtract the new number by the original number
646 - 263 = 383
383 ÷ 263 = 1.456273764258555
1.456273764258555 x 100 = 145.63%