-83.43% is the change from 537 to 89
Calculation steps:
[( 89 - 537 ) ÷ 537] x 100 = -83.43%
Formula
Percentage change = [(89 - 537) / 537] x 100
Subtract the new number by the original number
89 - 537 = -448
-448 ÷ 537 = -0.8342644320297952
-0.8342644320297952 x 100 = -83.43%