-64.98% is the change from 237 to 83
Calculation steps:
[( 83 - 237 ) ÷ 237] x 100 = -64.98%
Formula
Percentage change = [(83 - 237) / 237] x 100
Subtract the new number by the original number
83 - 237 = -154
-154 ÷ 237 = -0.6497890295358649
-0.6497890295358649 x 100 = -64.98%