-32.91% is the change from 316 to 212
Calculation steps:
[( 212 - 316 ) ÷ 316] x 100 = -32.91%
Formula
Percentage change = [(212 - 316) / 316] x 100
Subtract the new number by the original number
212 - 316 = -104
-104 ÷ 316 = -0.3291139240506329
-0.3291139240506329 x 100 = -32.91%