-60.44% is the change from 991 to 392
Calculation steps:
[( 392 - 991 ) ÷ 991] x 100 = -60.44%
Formula
Percentage change = [(392 - 991) / 991] x 100
Subtract the new number by the original number
392 - 991 = -599
-599 ÷ 991 = -0.6044399596367306
-0.6044399596367306 x 100 = -60.44%