-19.7% is the change from 264 to 212
Calculation steps:
[( 212 - 264 ) ÷ 264] x 100 = -19.7%
Formula
Percentage change = [(212 - 264) / 264] x 100
Subtract the new number by the original number
212 - 264 = -52
-52 ÷ 264 = -0.19696969696969696
-0.19696969696969696 x 100 = -19.7%