349.21% is the change from 63 to 283
Calculation steps:
[( 283 - 63 ) ÷ 63] x 100 = 349.21%
Formula
Percentage change = [(283 - 63) / 63] x 100
Subtract the new number by the original number
283 - 63 = 220
220 ÷ 63 = 3.492063492063492
3.492063492063492 x 100 = 349.21%