-76.42% is the change from 971 to 229
Calculation steps:
[( 229 - 971 ) ÷ 971] x 100 = -76.42%
Formula
Percentage change = [(229 - 971) / 971] x 100
Subtract the new number by the original number
229 - 971 = -742
-742 ÷ 971 = -0.7641606591143152
-0.7641606591143152 x 100 = -76.42%