-91.11% is the change from 934 to 83
Calculation steps:
[( 83 - 934 ) ÷ 934] x 100 = -91.11%
Formula
Percentage change = [(83 - 934) / 934] x 100
Subtract the new number by the original number
83 - 934 = -851
-851 ÷ 934 = -0.911134903640257
-0.911134903640257 x 100 = -91.11%