193.75% is the change from 64 to 188
Calculation steps:
[( 188 - 64 ) ÷ 64] x 100 = 193.75%
Formula
Percentage change = [(188 - 64) / 64] x 100
Subtract the new number by the original number
188 - 64 = 124
124 ÷ 64 = 1.9375
1.9375 x 100 = 193.75%
Example