-21.87% is the change from 983 to 768
Calculation steps:
[( 768 - 983 ) ÷ 983] x 100 = -21.87%
Formula
Percentage change = [(768 - 983) / 983] x 100
Subtract the new number by the original number
768 - 983 = -215
-215 ÷ 983 = -0.21871820956256358
-0.21871820956256358 x 100 = -21.87%