-83.21% is the change from 917 to 154
Calculation steps:
[( 154 - 917 ) ÷ 917] x 100 = -83.21%
Formula
Percentage change = [(154 - 917) / 917] x 100
Subtract the new number by the original number
154 - 917 = -763
-763 ÷ 917 = -0.8320610687022901
-0.8320610687022901 x 100 = -83.21%