-74.44% is the change from 841 to 215
Calculation steps:
[( 215 - 841 ) ÷ 841] x 100 = -74.44%
Formula
Percentage change = [(215 - 841) / 841] x 100
Subtract the new number by the original number
215 - 841 = -626
-626 ÷ 841 = -0.7443519619500595
-0.7443519619500595 x 100 = -74.44%