-82.97% is the change from 910 to 155
Calculation steps:
[( 155 - 910 ) ÷ 910] x 100 = -82.97%
Formula
Percentage change = [(155 - 910) / 910] x 100
Subtract the new number by the original number
155 - 910 = -755
-755 ÷ 910 = -0.8296703296703297
-0.8296703296703297 x 100 = -82.97%