-77.47% is the change from 963 to 217
Calculation steps:
[( 217 - 963 ) ÷ 963] x 100 = -77.47%
Formula
Percentage change = [(217 - 963) / 963] x 100
Subtract the new number by the original number
217 - 963 = -746
-746 ÷ 963 = -0.77466251298027
-0.77466251298027 x 100 = -77.47%