223.44% is the change from 64 to 207
Calculation steps:
[( 207 - 64 ) ÷ 64] x 100 = 223.44%
Formula
Percentage change = [(207 - 64) / 64] x 100
Subtract the new number by the original number
207 - 64 = 143
143 ÷ 64 = 2.234375
2.234375 x 100 = 223.44%