-77.42% is the change from 961 to 217
Calculation steps:
[( 217 - 961 ) ÷ 961] x 100 = -77.42%
Formula
Percentage change = [(217 - 961) / 961] x 100
Subtract the new number by the original number
217 - 961 = -744
-744 ÷ 961 = -0.7741935483870968
-0.7741935483870968 x 100 = -77.42%