-7.14% is the change from 210 to 195
Calculation steps:
[( 195 - 210 ) ÷ 210] x 100 = -7.14%
Formula
Percentage change = [(195 - 210) / 210] x 100
Subtract the new number by the original number
195 - 210 = -15
-15 ÷ 210 = -0.07142857142857142
-0.07142857142857142 x 100 = -7.14%