-27.63% is the change from 894 to 647
Calculation steps:
[( 647 - 894 ) ÷ 894] x 100 = -27.63%
Formula
Percentage change = [(647 - 894) / 894] x 100
Subtract the new number by the original number
647 - 894 = -247
-247 ÷ 894 = -0.27628635346756153
-0.27628635346756153 x 100 = -27.63%