231.75% is the change from 63 to 209
Calculation steps:
[( 209 - 63 ) ÷ 63] x 100 = 231.75%
Formula
Percentage change = [(209 - 63) / 63] x 100
Subtract the new number by the original number
209 - 63 = 146
146 ÷ 63 = 2.3174603174603177
2.3174603174603177 x 100 = 231.75%