123.44% is the change from 64 to 143
Calculation steps:
[( 143 - 64 ) ÷ 64] x 100 = 123.44%
Formula
Percentage change = [(143 - 64) / 64] x 100
Subtract the new number by the original number
143 - 64 = 79
79 ÷ 64 = 1.234375
1.234375 x 100 = 123.44%
Example