-78.13% is the change from 960 to 210
Calculation steps:
[( 210 - 960 ) ÷ 960] x 100 = -78.13%
Formula
Percentage change = [(210 - 960) / 960] x 100
Subtract the new number by the original number
210 - 960 = -750
-750 ÷ 960 = -0.78125
-0.78125 x 100 = -78.13%