67.17% is the change from 198 to 331
Calculation steps:
[( 331 - 198 ) ÷ 198] x 100 = 67.17%
Formula
Percentage change = [(331 - 198) / 198] x 100
Subtract the new number by the original number
331 - 198 = 133
133 ÷ 198 = 0.6717171717171717
0.6717171717171717 x 100 = 67.17%