-77.17% is the change from 968 to 221
Calculation steps:
[( 221 - 968 ) ÷ 968] x 100 = -77.17%
Formula
Percentage change = [(221 - 968) / 968] x 100
Subtract the new number by the original number
221 - 968 = -747
-747 ÷ 968 = -0.7716942148760331
-0.7716942148760331 x 100 = -77.17%