-58.22% is the change from 991 to 414
Calculation steps:
[( 414 - 991 ) ÷ 991] x 100 = -58.22%
Formula
Percentage change = [(414 - 991) / 991] x 100
Subtract the new number by the original number
414 - 991 = -577
-577 ÷ 991 = -0.5822401614530777
-0.5822401614530777 x 100 = -58.22%