-6.57% is the change from 198 to 185
Calculation steps:
[( 185 - 198 ) ÷ 198] x 100 = -6.57%
Formula
Percentage change = [(185 - 198) / 198] x 100
Subtract the new number by the original number
185 - 198 = -13
-13 ÷ 198 = -0.06565656565656566
-0.06565656565656566 x 100 = -6.57%