-18.25% is the change from 263 to 215
Calculation steps:
[( 215 - 263 ) ÷ 263] x 100 = -18.25%
Formula
Percentage change = [(215 - 263) / 263] x 100
Subtract the new number by the original number
215 - 263 = -48
-48 ÷ 263 = -0.18250950570342206
-0.18250950570342206 x 100 = -18.25%