-7.8% is the change from 205 to 189
Calculation steps:
[( 189 - 205 ) ÷ 205] x 100 = -7.8%
Formula
Percentage change = [(189 - 205) / 205] x 100
Subtract the new number by the original number
189 - 205 = -16
-16 ÷ 205 = -0.07804878048780488
-0.07804878048780488 x 100 = -7.8%