61.62% is the change from 198 to 320
Calculation steps:
[( 320 - 198 ) ÷ 198] x 100 = 61.62%
Formula
Percentage change = [(320 - 198) / 198] x 100
Subtract the new number by the original number
320 - 198 = 122
122 ÷ 198 = 0.6161616161616161
0.6161616161616161 x 100 = 61.62%