-76.76% is the change from 951 to 221
Calculation steps:
[( 221 - 951 ) ÷ 951] x 100 = -76.76%
Formula
Percentage change = [(221 - 951) / 951] x 100
Subtract the new number by the original number
221 - 951 = -730
-730 ÷ 951 = -0.7676130389064143
-0.7676130389064143 x 100 = -76.76%