923.81% is the change from 63 to 645
Calculation steps:
[( 645 - 63 ) ÷ 63] x 100 = 923.81%
Formula
Percentage change = [(645 - 63) / 63] x 100
Subtract the new number by the original number
645 - 63 = 582
582 ÷ 63 = 9.238095238095237
9.238095238095237 x 100 = 923.81%