-63.42% is the change from 812 to 297
Calculation steps:
[( 297 - 812 ) ÷ 812] x 100 = -63.42%
Formula
Percentage change = [(297 - 812) / 812] x 100
Subtract the new number by the original number
297 - 812 = -515
-515 ÷ 812 = -0.6342364532019704
-0.6342364532019704 x 100 = -63.42%