-18.39% is the change from 261 to 213
Calculation steps:
[( 213 - 261 ) ÷ 261] x 100 = -18.39%
Formula
Percentage change = [(213 - 261) / 261] x 100
Subtract the new number by the original number
213 - 261 = -48
-48 ÷ 261 = -0.1839080459770115
-0.1839080459770115 x 100 = -18.39%