-82.88% is the change from 917 to 157
Calculation steps:
[( 157 - 917 ) ÷ 917] x 100 = -82.88%
Formula
Percentage change = [(157 - 917) / 917] x 100
Subtract the new number by the original number
157 - 917 = -760
-760 ÷ 917 = -0.8287895310796074
-0.8287895310796074 x 100 = -82.88%