-11.5% is the change from 200 to 177
Calculation steps:
[( 177 - 200 ) ÷ 200] x 100 = -11.5%
Formula
Percentage change = [(177 - 200) / 200] x 100
Subtract the new number by the original number
177 - 200 = -23
-23 ÷ 200 = -0.115
-0.115 x 100 = -11.5%