-19.18% is the change from 537 to 434
Calculation steps:
[( 434 - 537 ) ÷ 537] x 100 = -19.18%
Formula
Percentage change = [(434 - 537) / 537] x 100
Subtract the new number by the original number
434 - 537 = -103
-103 ÷ 537 = -0.19180633147113593
-0.19180633147113593 x 100 = -19.18%