64.62% is the change from 195 to 321
Calculation steps:
[( 321 - 195 ) ÷ 195] x 100 = 64.62%
Formula
Percentage change = [(321 - 195) / 195] x 100
Subtract the new number by the original number
321 - 195 = 126
126 ÷ 195 = 0.6461538461538462
0.6461538461538462 x 100 = 64.62%