-77.33% is the change from 997 to 226
Calculation steps:
[( 226 - 997 ) ÷ 997] x 100 = -77.33%
Formula
Percentage change = [(226 - 997) / 997] x 100
Subtract the new number by the original number
226 - 997 = -771
-771 ÷ 997 = -0.7733199598796389
-0.7733199598796389 x 100 = -77.33%