-20.75% is the change from 993 to 787
Calculation steps:
[( 787 - 993 ) ÷ 993] x 100 = -20.75%
Formula
Percentage change = [(787 - 993) / 993] x 100
Subtract the new number by the original number
787 - 993 = -206
-206 ÷ 993 = -0.20745216515609266
-0.20745216515609266 x 100 = -20.75%