-31.98% is the change from 691 to 470
Calculation steps:
[( 470 - 691 ) ÷ 691] x 100 = -31.98%
Formula
Percentage change = [(470 - 691) / 691] x 100
Subtract the new number by the original number
470 - 691 = -221
-221 ÷ 691 = -0.31982633863965265
-0.31982633863965265 x 100 = -31.98%