-79.11% is the change from 991 to 207
Calculation steps:
[( 207 - 991 ) ÷ 991] x 100 = -79.11%
Formula
Percentage change = [(207 - 991) / 991] x 100
Subtract the new number by the original number
207 - 991 = -784
-784 ÷ 991 = -0.7911200807265388
-0.7911200807265388 x 100 = -79.11%