1233.33% is the change from 63 to 840
Calculation steps:
[( 840 - 63 ) ÷ 63] x 100 = 1233.33%
Formula
Percentage change = [(840 - 63) / 63] x 100
Subtract the new number by the original number
840 - 63 = 777
777 ÷ 63 = 12.333333333333334
12.333333333333334 x 100 = 1233.33%