-21.67% is the change from 983 to 770
Calculation steps:
[( 770 - 983 ) ÷ 983] x 100 = -21.67%
Formula
Percentage change = [(770 - 983) / 983] x 100
Subtract the new number by the original number
770 - 983 = -213
-213 ÷ 983 = -0.21668362156663276
-0.21668362156663276 x 100 = -21.67%