-70.02% is the change from 537 to 161
Calculation steps:
[( 161 - 537 ) ÷ 537] x 100 = -70.02%
Formula
Percentage change = [(161 - 537) / 537] x 100
Subtract the new number by the original number
161 - 537 = -376
-376 ÷ 537 = -0.7001862197392924
-0.7001862197392924 x 100 = -70.02%