-8.84% is the change from 215 to 196
Calculation steps:
[( 196 - 215 ) ÷ 215] x 100 = -8.84%
Formula
Percentage change = [(196 - 215) / 215] x 100
Subtract the new number by the original number
196 - 215 = -19
-19 ÷ 215 = -0.08837209302325581
-0.08837209302325581 x 100 = -8.84%