-77.15% is the change from 967 to 221
Calculation steps:
[( 221 - 967 ) ÷ 967] x 100 = -77.15%
Formula
Percentage change = [(221 - 967) / 967] x 100
Subtract the new number by the original number
221 - 967 = -746
-746 ÷ 967 = -0.7714581178903827
-0.7714581178903827 x 100 = -77.15%