4.21% is the change from 190 to 198
Calculation steps:
[( 198 - 190 ) ÷ 190] x 100 = 4.21%
Formula
Percentage change = [(198 - 190) / 190] x 100
Subtract the new number by the original number
198 - 190 = 8
8 ÷ 190 = 0.042105263157894736
0.042105263157894736 x 100 = 4.21%