-64.43% is the change from 537 to 191
Calculation steps:
[( 191 - 537 ) ÷ 537] x 100 = -64.43%
Formula
Percentage change = [(191 - 537) / 537] x 100
Subtract the new number by the original number
191 - 537 = -346
-346 ÷ 537 = -0.6443202979515829
-0.6443202979515829 x 100 = -64.43%