-75.25% is the change from 917 to 227
Calculation steps:
[( 227 - 917 ) ÷ 917] x 100 = -75.25%
Formula
Percentage change = [(227 - 917) / 917] x 100
Subtract the new number by the original number
227 - 917 = -690
-690 ÷ 917 = -0.752453653217012
-0.752453653217012 x 100 = -75.25%