300% is the change from 63 to 252
Calculation steps:
[( 252 - 63 ) ÷ 63] x 100 = 300%
Formula
Percentage change = [(252 - 63) / 63] x 100
Subtract the new number by the original number
252 - 63 = 189
189 ÷ 63 = 3
3 x 100 = 300%
Example