-26.8% is the change from 291 to 213
Calculation steps:
[( 213 - 291 ) ÷ 291] x 100 = -26.8%
Formula
Percentage change = [(213 - 291) / 291] x 100
Subtract the new number by the original number
213 - 291 = -78
-78 ÷ 291 = -0.26804123711340205
-0.26804123711340205 x 100 = -26.8%